20155932160

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2791}}^1$

素因数の和:2865

約数の個数: 320

約数和(自身を含む): 61420068864

約数和(自身を除く): 41264136704

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 32, 35, 40, 52, 56, 62, 64, 65, 70, 80, 91, 104, 112, 124, 128, 130, 140, 155, 160, 182, 208, 217, 224, 248, 256, 260, 280, 310, 320, 364, 403, 416, 434, 448, 455, 496, 512, 520, 560, 620, 640, 728, 806, 832, 868, 896, 910, 992, 1040, 1085, 1120, 1240, 1280, 1456, 1612, 1664, 1736, 1792, 1820, 1984, 2015, 2080, 2170, 2240, 2480, 2560, 2791, 2821, 2912, 3224, 3328, 3472, 3584, 3640, 3968, 4030, 4160, 4340, 4480, 4960, 5582, 5642, 5824, 6448, 6656, 6944, 7280, 7936, 8060, 8320, 8680, 8960, 9920, 11164, 11284, 11648, 12896, 13888, 13955, 14105, 14560, 15872, 16120, 16640, 17360, 17920, 19537, 19840, 22328, 22568, 23296, 25792, 27776, 27910, 28210, 29120, 32240, 33280, 34720, 36283, 39074, 39680, 44656, 45136, 46592, 51584, 55552, 55820, 56420, 58240, 64480, 69440, 72566, 78148, 79360, 86521, 89312, 90272, 97685, 103168, 111104, 111640, 112840, 116480, 128960, 138880, 145132, 156296, 173042, 178624, 180544, 181415, 195370, 206336, 223280, 225680, 232960, 253981, 257920, 277760, 290264, 312592, 346084, 357248, 361088, 362830, 390740, 432605, 446560, 451360, 507962, 515840, 555520, 580528, 605647, 625184, 692168, 714496, 722176, 725660, 781480, 865210, 893120, 902720, 1015924, 1031680, 1124773, 1161056, 1211294, 1250368, 1269905, 1384336, 1428992, 1444352, 1451320, 1562960, 1730420, 1786240, 1805440, 2031848, 2249546, 2322112, 2422588, 2500736, 2539810, 2768672, 2902640, 3028235, 3125920, 3460840, 3572480, 3610880, 4063696, 4499092, 4644224, 4845176, 5001472, 5079620, 5537344, 5623865, 5805280, 6056470, 6251840, 6921680, 7144960, 7221760, 7873411, 8127392, 8998184, 9288448, 9690352, 10002944, 10159240, 11074688, 11247730, 11610560, 12112940, 12503680, 13843360, 15746822, 16254784, 17996368, 18576896, 19380704, 20318480, 22149376, 22495460, 23221120, 24225880, 25007360, 27686720, 31493644, 32509568, 35992736, 38761408, 39367055, 40636960, 44298752, 44990920, 46442240, 48451760, 50014720, 55373440, 62987288, 65019136, 71985472, 77522816, 78734110, 81273920, 89981840, 92884480, 96903520, 110746880, 125974576, 130038272, 143970944, 155045632, 157468220, 162547840, 179963680, 193807040, 221493760, 251949152, 287941888, 310091264, 314936440, 325095680, 359927360, 387614080, 503898304, 575883776, 629872880, 650191360, 719854720, 775228160, 1007796608, 1259745760, 1439709440, 1550456320, 2015593216, 2519491520, 2879418880, 4031186432, 5038983040, 10077966080, 20155932160]

約数ペア:

[(1, 20155932160), (2, 10077966080), (4, 5038983040), (5, 4031186432), (7, 2879418880), (8, 2519491520), (10, 2015593216), (13, 1550456320), (14, 1439709440), (16, 1259745760), (20, 1007796608), (26, 775228160), (28, 719854720), (31, 650191360), (32, 629872880), (35, 575883776), (40, 503898304), (52, 387614080), (56, 359927360), (62, 325095680), (64, 314936440), (65, 310091264), (70, 287941888), (80, 251949152), (91, 221493760), (104, 193807040), (112, 179963680), (124, 162547840), (128, 157468220), (130, 155045632), (140, 143970944), (155, 130038272), (160, 125974576), (182, 110746880), (208, 96903520), (217, 92884480), (224, 89981840), (248, 81273920), (256, 78734110), (260, 77522816), (280, 71985472), (310, 65019136), (320, 62987288), (364, 55373440), (403, 50014720), (416, 48451760), (434, 46442240), (448, 44990920), (455, 44298752), (496, 40636960), (512, 39367055), (520, 38761408), (560, 35992736), (620, 32509568), (640, 31493644), (728, 27686720), (806, 25007360), (832, 24225880), (868, 23221120), (896, 22495460), (910, 22149376), (992, 20318480), (1040, 19380704), (1085, 18576896), (1120, 17996368), (1240, 16254784), (1280, 15746822), (1456, 13843360), (1612, 12503680), (1664, 12112940), (1736, 11610560), (1792, 11247730), (1820, 11074688), (1984, 10159240), (2015, 10002944), (2080, 9690352), (2170, 9288448), (2240, 8998184), (2480, 8127392), (2560, 7873411), (2791, 7221760), (2821, 7144960), (2912, 6921680), (3224, 6251840), (3328, 6056470), (3472, 5805280), (3584, 5623865), (3640, 5537344), (3968, 5079620), (4030, 5001472), (4160, 4845176), (4340, 4644224), (4480, 4499092), (4960, 4063696), (5582, 3610880), (5642, 3572480), (5824, 3460840), (6448, 3125920), (6656, 3028235), (6944, 2902640), (7280, 2768672), (7936, 2539810), (8060, 2500736), (8320, 2422588), (8680, 2322112), (8960, 2249546), (9920, 2031848), (11164, 1805440), (11284, 1786240), (11648, 1730420), (12896, 1562960), (13888, 1451320), (13955, 1444352), (14105, 1428992), (14560, 1384336), (15872, 1269905), (16120, 1250368), (16640, 1211294), (17360, 1161056), (17920, 1124773), (19537, 1031680), (19840, 1015924), (22328, 902720), (22568, 893120), (23296, 865210), (25792, 781480), (27776, 725660), (27910, 722176), (28210, 714496), (29120, 692168), (32240, 625184), (33280, 605647), (34720, 580528), (36283, 555520), (39074, 515840), (39680, 507962), (44656, 451360), (45136, 446560), (46592, 432605), (51584, 390740), (55552, 362830), (55820, 361088), (56420, 357248), (58240, 346084), (64480, 312592), (69440, 290264), (72566, 277760), (78148, 257920), (79360, 253981), (86521, 232960), (89312, 225680), (90272, 223280), (97685, 206336), (103168, 195370), (111104, 181415), (111640, 180544), (112840, 178624), (116480, 173042), (128960, 156296), (138880, 145132)]