64973520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:162

約数の個数: 240

約数和(自身を含む): 233985024

約数和(自身を除く): 169011504

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 41, 45, 48, 60, 62, 71, 72, 80, 82, 90, 93, 120, 123, 124, 142, 144, 155, 164, 180, 186, 205, 213, 240, 246, 248, 279, 284, 310, 328, 355, 360, 369, 372, 410, 426, 465, 492, 496, 558, 568, 615, 620, 639, 656, 710, 720, 738, 744, 820, 852, 930, 984, 1065, 1116, 1136, 1230, 1240, 1271, 1278, 1395, 1420, 1476, 1488, 1640, 1704, 1845, 1860, 1968, 2130, 2201, 2232, 2460, 2480, 2542, 2556, 2790, 2840, 2911, 2952, 3195, 3280, 3408, 3690, 3720, 3813, 4260, 4402, 4464, 4920, 5084, 5112, 5580, 5680, 5822, 5904, 6355, 6390, 6603, 7380, 7440, 7626, 8520, 8733, 8804, 9840, 10168, 10224, 11005, 11160, 11439, 11644, 12710, 12780, 13206, 14555, 14760, 15252, 17040, 17466, 17608, 19065, 19809, 20336, 22010, 22320, 22878, 23288, 25420, 25560, 26199, 26412, 29110, 29520, 30504, 33015, 34932, 35216, 38130, 39618, 43665, 44020, 45756, 46576, 50840, 51120, 52398, 52824, 57195, 58220, 61008, 66030, 69864, 76260, 79236, 87330, 88040, 90241, 91512, 99045, 101680, 104796, 105648, 114390, 116440, 130995, 132060, 139728, 152520, 158472, 174660, 176080, 180482, 183024, 198090, 209592, 228780, 232880, 261990, 264120, 270723, 305040, 316944, 349320, 360964, 396180, 419184, 451205, 457560, 523980, 528240, 541446, 698640, 721928, 792360, 812169, 902410, 915120, 1047960, 1082892, 1353615, 1443856, 1584720, 1624338, 1804820, 2095920, 2165784, 2707230, 3248676, 3609640, 4060845, 4331568, 5414460, 6497352, 7219280, 8121690, 10828920, 12994704, 16243380, 21657840, 32486760, 64973520]

約数ペア:

[(1, 64973520), (2, 32486760), (3, 21657840), (4, 16243380), (5, 12994704), (6, 10828920), (8, 8121690), (9, 7219280), (10, 6497352), (12, 5414460), (15, 4331568), (16, 4060845), (18, 3609640), (20, 3248676), (24, 2707230), (30, 2165784), (31, 2095920), (36, 1804820), (40, 1624338), (41, 1584720), (45, 1443856), (48, 1353615), (60, 1082892), (62, 1047960), (71, 915120), (72, 902410), (80, 812169), (82, 792360), (90, 721928), (93, 698640), (120, 541446), (123, 528240), (124, 523980), (142, 457560), (144, 451205), (155, 419184), (164, 396180), (180, 360964), (186, 349320), (205, 316944), (213, 305040), (240, 270723), (246, 264120), (248, 261990), (279, 232880), (284, 228780), (310, 209592), (328, 198090), (355, 183024), (360, 180482), (369, 176080), (372, 174660), (410, 158472), (426, 152520), (465, 139728), (492, 132060), (496, 130995), (558, 116440), (568, 114390), (615, 105648), (620, 104796), (639, 101680), (656, 99045), (710, 91512), (720, 90241), (738, 88040), (744, 87330), (820, 79236), (852, 76260), (930, 69864), (984, 66030), (1065, 61008), (1116, 58220), (1136, 57195), (1230, 52824), (1240, 52398), (1271, 51120), (1278, 50840), (1395, 46576), (1420, 45756), (1476, 44020), (1488, 43665), (1640, 39618), (1704, 38130), (1845, 35216), (1860, 34932), (1968, 33015), (2130, 30504), (2201, 29520), (2232, 29110), (2460, 26412), (2480, 26199), (2542, 25560), (2556, 25420), (2790, 23288), (2840, 22878), (2911, 22320), (2952, 22010), (3195, 20336), (3280, 19809), (3408, 19065), (3690, 17608), (3720, 17466), (3813, 17040), (4260, 15252), (4402, 14760), (4464, 14555), (4920, 13206), (5084, 12780), (5112, 12710), (5580, 11644), (5680, 11439), (5822, 11160), (5904, 11005), (6355, 10224), (6390, 10168), (6603, 9840), (7380, 8804), (7440, 8733), (7626, 8520)]