20615201280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1567}}^1$

素因数の和:2167

約数の個数: 240

約数和(自身を含む): 71566919424

約数和(自身を除く): 50951718144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 571, 576, 640, 720, 768, 960, 1142, 1152, 1280, 1440, 1536, 1567, 1713, 1920, 2284, 2304, 2560, 2855, 2880, 3134, 3426, 3840, 4568, 4608, 4701, 5139, 5710, 5760, 6268, 6852, 7680, 7835, 8565, 9136, 9402, 10278, 11420, 11520, 12536, 13704, 14103, 15670, 17130, 18272, 18804, 20556, 22840, 23040, 23505, 25072, 25695, 27408, 28206, 31340, 34260, 36544, 37608, 41112, 45680, 47010, 50144, 51390, 54816, 56412, 62680, 68520, 70515, 73088, 75216, 82224, 91360, 94020, 100288, 102780, 109632, 112824, 125360, 137040, 141030, 146176, 150432, 164448, 182720, 188040, 200576, 205560, 219264, 225648, 250720, 274080, 282060, 292352, 300864, 328896, 365440, 376080, 401152, 411120, 438528, 451296, 501440, 548160, 564120, 601728, 657792, 730880, 752160, 802304, 822240, 877056, 894757, 902592, 1002880, 1096320, 1128240, 1203456, 1315584, 1461760, 1504320, 1644480, 1789514, 1805184, 2005760, 2192640, 2256480, 2406912, 2631168, 2684271, 3008640, 3288960, 3579028, 3610368, 4011520, 4385280, 4473785, 4512960, 5368542, 6017280, 6577920, 7158056, 7220736, 8052813, 8947570, 9025920, 10737084, 12034560, 13155840, 13421355, 14316112, 16105626, 17895140, 18051840, 21474168, 26842710, 28632224, 32211252, 35790280, 36103680, 40264065, 42948336, 53685420, 57264448, 64422504, 71580560, 80528130, 85896672, 107370840, 114528896, 128845008, 143161120, 161056260, 171793344, 214741680, 229057792, 257690016, 286322240, 322112520, 343586688, 429483360, 458115584, 515380032, 572644480, 644225040, 687173376, 858966720, 1030760064, 1145288960, 1288450080, 1374346752, 1717933440, 2061520128, 2290577920, 2576900160, 3435866880, 4123040256, 5153800320, 6871733760, 10307600640, 20615201280]

約数ペア:

[(1, 20615201280), (2, 10307600640), (3, 6871733760), (4, 5153800320), (5, 4123040256), (6, 3435866880), (8, 2576900160), (9, 2290577920), (10, 2061520128), (12, 1717933440), (15, 1374346752), (16, 1288450080), (18, 1145288960), (20, 1030760064), (24, 858966720), (30, 687173376), (32, 644225040), (36, 572644480), (40, 515380032), (45, 458115584), (48, 429483360), (60, 343586688), (64, 322112520), (72, 286322240), (80, 257690016), (90, 229057792), (96, 214741680), (120, 171793344), (128, 161056260), (144, 143161120), (160, 128845008), (180, 114528896), (192, 107370840), (240, 85896672), (256, 80528130), (288, 71580560), (320, 64422504), (360, 57264448), (384, 53685420), (480, 42948336), (512, 40264065), (571, 36103680), (576, 35790280), (640, 32211252), (720, 28632224), (768, 26842710), (960, 21474168), (1142, 18051840), (1152, 17895140), (1280, 16105626), (1440, 14316112), (1536, 13421355), (1567, 13155840), (1713, 12034560), (1920, 10737084), (2284, 9025920), (2304, 8947570), (2560, 8052813), (2855, 7220736), (2880, 7158056), (3134, 6577920), (3426, 6017280), (3840, 5368542), (4568, 4512960), (4608, 4473785), (4701, 4385280), (5139, 4011520), (5710, 3610368), (5760, 3579028), (6268, 3288960), (6852, 3008640), (7680, 2684271), (7835, 2631168), (8565, 2406912), (9136, 2256480), (9402, 2192640), (10278, 2005760), (11420, 1805184), (11520, 1789514), (12536, 1644480), (13704, 1504320), (14103, 1461760), (15670, 1315584), (17130, 1203456), (18272, 1128240), (18804, 1096320), (20556, 1002880), (22840, 902592), (23040, 894757), (23505, 877056), (25072, 822240), (25695, 802304), (27408, 752160), (28206, 730880), (31340, 657792), (34260, 601728), (36544, 564120), (37608, 548160), (41112, 501440), (45680, 451296), (47010, 438528), (50144, 411120), (51390, 401152), (54816, 376080), (56412, 365440), (62680, 328896), (68520, 300864), (70515, 292352), (73088, 282060), (75216, 274080), (82224, 250720), (91360, 225648), (94020, 219264), (100288, 205560), (102780, 200576), (109632, 188040), (112824, 182720), (125360, 164448), (137040, 150432), (141030, 146176)]