56155440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:355

約数の個数: 160

約数和(自身を含む): 192844800

約数和(自身を除く): 136689360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 89, 110, 120, 132, 165, 176, 178, 220, 239, 240, 264, 267, 330, 356, 440, 445, 478, 528, 534, 660, 712, 717, 880, 890, 956, 979, 1068, 1195, 1320, 1335, 1424, 1434, 1780, 1912, 1958, 2136, 2390, 2629, 2640, 2670, 2868, 2937, 3560, 3585, 3824, 3916, 4272, 4780, 4895, 5258, 5340, 5736, 5874, 7120, 7170, 7832, 7887, 9560, 9790, 10516, 10680, 11472, 11748, 13145, 14340, 14685, 15664, 15774, 19120, 19580, 21032, 21271, 21360, 23496, 26290, 28680, 29370, 31548, 39160, 39435, 42064, 42542, 46992, 52580, 57360, 58740, 63096, 63813, 78320, 78870, 85084, 105160, 106355, 117480, 126192, 127626, 157740, 170168, 210320, 212710, 233981, 234960, 255252, 315480, 319065, 340336, 425420, 467962, 510504, 630960, 638130, 701943, 850840, 935924, 1021008, 1169905, 1276260, 1403886, 1701680, 1871848, 2339810, 2552520, 2807772, 3509715, 3743696, 4679620, 5105040, 5615544, 7019430, 9359240, 11231088, 14038860, 18718480, 28077720, 56155440]

約数ペア:

[(1, 56155440), (2, 28077720), (3, 18718480), (4, 14038860), (5, 11231088), (6, 9359240), (8, 7019430), (10, 5615544), (11, 5105040), (12, 4679620), (15, 3743696), (16, 3509715), (20, 2807772), (22, 2552520), (24, 2339810), (30, 1871848), (33, 1701680), (40, 1403886), (44, 1276260), (48, 1169905), (55, 1021008), (60, 935924), (66, 850840), (80, 701943), (88, 638130), (89, 630960), (110, 510504), (120, 467962), (132, 425420), (165, 340336), (176, 319065), (178, 315480), (220, 255252), (239, 234960), (240, 233981), (264, 212710), (267, 210320), (330, 170168), (356, 157740), (440, 127626), (445, 126192), (478, 117480), (528, 106355), (534, 105160), (660, 85084), (712, 78870), (717, 78320), (880, 63813), (890, 63096), (956, 58740), (979, 57360), (1068, 52580), (1195, 46992), (1320, 42542), (1335, 42064), (1424, 39435), (1434, 39160), (1780, 31548), (1912, 29370), (1958, 28680), (2136, 26290), (2390, 23496), (2629, 21360), (2640, 21271), (2670, 21032), (2868, 19580), (2937, 19120), (3560, 15774), (3585, 15664), (3824, 14685), (3916, 14340), (4272, 13145), (4780, 11748), (4895, 11472), (5258, 10680), (5340, 10516), (5736, 9790), (5874, 9560), (7120, 7887), (7170, 7832)]