917884080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20899}}^1$

素因数の和:20979

約数の個数: 120

約数和(自身を含む): 3133244400

約数和(自身を除く): 2215360320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 144, 180, 183, 240, 244, 305, 360, 366, 488, 549, 610, 720, 732, 915, 976, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 2928, 3660, 4392, 4880, 5490, 7320, 8784, 10980, 14640, 20899, 21960, 41798, 43920, 62697, 83596, 104495, 125394, 167192, 188091, 208990, 250788, 313485, 334384, 376182, 417980, 501576, 626970, 752364, 835960, 940455, 1003152, 1253940, 1274839, 1504728, 1671920, 1880910, 2507880, 2549678, 3009456, 3761820, 3824517, 5015760, 5099356, 6374195, 7523640, 7649034, 10198712, 11473551, 12748390, 15047280, 15298068, 19122585, 20397424, 22947102, 25496780, 30596136, 38245170, 45894204, 50993560, 57367755, 61192272, 76490340, 91788408, 101987120, 114735510, 152980680, 183576816, 229471020, 305961360, 458942040, 917884080]

約数ペア:

[(1, 917884080), (2, 458942040), (3, 305961360), (4, 229471020), (5, 183576816), (6, 152980680), (8, 114735510), (9, 101987120), (10, 91788408), (12, 76490340), (15, 61192272), (16, 57367755), (18, 50993560), (20, 45894204), (24, 38245170), (30, 30596136), (36, 25496780), (40, 22947102), (45, 20397424), (48, 19122585), (60, 15298068), (61, 15047280), (72, 12748390), (80, 11473551), (90, 10198712), (120, 7649034), (122, 7523640), (144, 6374195), (180, 5099356), (183, 5015760), (240, 3824517), (244, 3761820), (305, 3009456), (360, 2549678), (366, 2507880), (488, 1880910), (549, 1671920), (610, 1504728), (720, 1274839), (732, 1253940), (915, 1003152), (976, 940455), (1098, 835960), (1220, 752364), (1464, 626970), (1830, 501576), (2196, 417980), (2440, 376182), (2745, 334384), (2928, 313485), (3660, 250788), (4392, 208990), (4880, 188091), (5490, 167192), (7320, 125394), (8784, 104495), (10980, 83596), (14640, 62697), (20899, 43920), (21960, 41798)]