21155134080

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{8669}}^1$

素因数の和:8763

約数の個数: 256

約数和(自身を含む): 71313177600

約数和(自身を除く): 50158043520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 41, 48, 60, 62, 64, 80, 82, 93, 96, 120, 123, 124, 128, 155, 160, 164, 186, 192, 205, 240, 246, 248, 310, 320, 328, 372, 384, 410, 465, 480, 492, 496, 615, 620, 640, 656, 744, 820, 930, 960, 984, 992, 1230, 1240, 1271, 1312, 1488, 1640, 1860, 1920, 1968, 1984, 2460, 2480, 2542, 2624, 2976, 3280, 3720, 3813, 3936, 3968, 4920, 4960, 5084, 5248, 5952, 6355, 6560, 7440, 7626, 7872, 8669, 9840, 9920, 10168, 11904, 12710, 13120, 14880, 15252, 15744, 17338, 19065, 19680, 19840, 20336, 25420, 26007, 26240, 29760, 30504, 34676, 38130, 39360, 40672, 43345, 50840, 52014, 59520, 61008, 69352, 76260, 78720, 81344, 86690, 101680, 104028, 122016, 130035, 138704, 152520, 162688, 173380, 203360, 208056, 244032, 260070, 268739, 277408, 305040, 346760, 355429, 406720, 416112, 488064, 520140, 537478, 554816, 610080, 693520, 710858, 806217, 813440, 832224, 1040280, 1066287, 1074956, 1109632, 1220160, 1343695, 1387040, 1421716, 1612434, 1664448, 1777145, 2080560, 2132574, 2149912, 2440320, 2687390, 2774080, 2843432, 3224868, 3328896, 3554290, 4031085, 4161120, 4265148, 4299824, 5331435, 5374780, 5548160, 5686864, 6449736, 7108580, 8062170, 8322240, 8530296, 8599648, 10662870, 10749560, 11018299, 11373728, 12899472, 14217160, 16124340, 16644480, 17060592, 17199296, 21325740, 21499120, 22036598, 22747456, 25798944, 28434320, 32248680, 33054897, 34121184, 34398592, 42651480, 42998240, 44073196, 45494912, 51597888, 55091495, 56868640, 64497360, 66109794, 68242368, 85302960, 85996480, 88146392, 103195776, 110182990, 113737280, 128994720, 132219588, 136484736, 165274485, 170605920, 171992960, 176292784, 220365980, 227474560, 257989440, 264439176, 330548970, 341211840, 352585568, 440731960, 515978880, 528878352, 661097940, 682423680, 705171136, 881463920, 1057756704, 1322195880, 1410342272, 1762927840, 2115513408, 2644391760, 3525855680, 4231026816, 5288783520, 7051711360, 10577567040, 21155134080]

約数ペア:

[(1, 21155134080), (2, 10577567040), (3, 7051711360), (4, 5288783520), (5, 4231026816), (6, 3525855680), (8, 2644391760), (10, 2115513408), (12, 1762927840), (15, 1410342272), (16, 1322195880), (20, 1057756704), (24, 881463920), (30, 705171136), (31, 682423680), (32, 661097940), (40, 528878352), (41, 515978880), (48, 440731960), (60, 352585568), (62, 341211840), (64, 330548970), (80, 264439176), (82, 257989440), (93, 227474560), (96, 220365980), (120, 176292784), (123, 171992960), (124, 170605920), (128, 165274485), (155, 136484736), (160, 132219588), (164, 128994720), (186, 113737280), (192, 110182990), (205, 103195776), (240, 88146392), (246, 85996480), (248, 85302960), (310, 68242368), (320, 66109794), (328, 64497360), (372, 56868640), (384, 55091495), (410, 51597888), (465, 45494912), (480, 44073196), (492, 42998240), (496, 42651480), (615, 34398592), (620, 34121184), (640, 33054897), (656, 32248680), (744, 28434320), (820, 25798944), (930, 22747456), (960, 22036598), (984, 21499120), (992, 21325740), (1230, 17199296), (1240, 17060592), (1271, 16644480), (1312, 16124340), (1488, 14217160), (1640, 12899472), (1860, 11373728), (1920, 11018299), (1968, 10749560), (1984, 10662870), (2460, 8599648), (2480, 8530296), (2542, 8322240), (2624, 8062170), (2976, 7108580), (3280, 6449736), (3720, 5686864), (3813, 5548160), (3936, 5374780), (3968, 5331435), (4920, 4299824), (4960, 4265148), (5084, 4161120), (5248, 4031085), (5952, 3554290), (6355, 3328896), (6560, 3224868), (7440, 2843432), (7626, 2774080), (7872, 2687390), (8669, 2440320), (9840, 2149912), (9920, 2132574), (10168, 2080560), (11904, 1777145), (12710, 1664448), (13120, 1612434), (14880, 1421716), (15252, 1387040), (15744, 1343695), (17338, 1220160), (19065, 1109632), (19680, 1074956), (19840, 1066287), (20336, 1040280), (25420, 832224), (26007, 813440), (26240, 806217), (29760, 710858), (30504, 693520), (34676, 610080), (38130, 554816), (39360, 537478), (40672, 520140), (43345, 488064), (50840, 416112), (52014, 406720), (59520, 355429), (61008, 346760), (69352, 305040), (76260, 277408), (78720, 268739), (81344, 260070), (86690, 244032), (101680, 208056), (104028, 203360), (122016, 173380), (130035, 162688), (138704, 152520)]