648227360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 1740517632

約数和(自身を除く): 1092290272

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 80, 88, 109, 110, 124, 155, 160, 176, 218, 220, 248, 310, 341, 352, 436, 440, 496, 545, 620, 682, 872, 880, 992, 1090, 1199, 1240, 1364, 1705, 1744, 1760, 2180, 2398, 2480, 2728, 3379, 3410, 3488, 4360, 4796, 4960, 5456, 5995, 6758, 6820, 8720, 9592, 10912, 11881, 11990, 13516, 13640, 16895, 17440, 19184, 23762, 23980, 27032, 27280, 33790, 37169, 38368, 47524, 47960, 54064, 54560, 59405, 67580, 74338, 95048, 95920, 108128, 118810, 130691, 135160, 148676, 185845, 190096, 191840, 237620, 261382, 270320, 297352, 368311, 371690, 380192, 475240, 522764, 540640, 594704, 653455, 736622, 743380, 950480, 1045528, 1189408, 1306910, 1473244, 1486760, 1841555, 1900960, 2091056, 2613820, 2946488, 2973520, 3683110, 4051421, 4182112, 5227640, 5892976, 5947040, 7366220, 8102842, 10455280, 11785952, 14732440, 16205684, 20257105, 20910560, 29464880, 32411368, 40514210, 58929760, 64822736, 81028420, 129645472, 162056840, 324113680, 648227360]

約数ペア:

[(1, 648227360), (2, 324113680), (4, 162056840), (5, 129645472), (8, 81028420), (10, 64822736), (11, 58929760), (16, 40514210), (20, 32411368), (22, 29464880), (31, 20910560), (32, 20257105), (40, 16205684), (44, 14732440), (55, 11785952), (62, 10455280), (80, 8102842), (88, 7366220), (109, 5947040), (110, 5892976), (124, 5227640), (155, 4182112), (160, 4051421), (176, 3683110), (218, 2973520), (220, 2946488), (248, 2613820), (310, 2091056), (341, 1900960), (352, 1841555), (436, 1486760), (440, 1473244), (496, 1306910), (545, 1189408), (620, 1045528), (682, 950480), (872, 743380), (880, 736622), (992, 653455), (1090, 594704), (1199, 540640), (1240, 522764), (1364, 475240), (1705, 380192), (1744, 371690), (1760, 368311), (2180, 297352), (2398, 270320), (2480, 261382), (2728, 237620), (3379, 191840), (3410, 190096), (3488, 185845), (4360, 148676), (4796, 135160), (4960, 130691), (5456, 118810), (5995, 108128), (6758, 95920), (6820, 95048), (8720, 74338), (9592, 67580), (10912, 59405), (11881, 54560), (11990, 54064), (13516, 47960), (13640, 47524), (16895, 38368), (17440, 37169), (19184, 33790), (23762, 27280), (23980, 27032)]