72151920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4357}}^1$

素因数の和:4399

約数の個数: 120

約数和(自身を含む): 252903456

約数和(自身を除く): 180751536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 4357, 5520, 8280, 8714, 13071, 16560, 17428, 21785, 26142, 34856, 39213, 43570, 52284, 65355, 69712, 78426, 87140, 100211, 104568, 130710, 156852, 174280, 196065, 200422, 209136, 261420, 300633, 313704, 348560, 392130, 400844, 501055, 522840, 601266, 627408, 784260, 801688, 901899, 1002110, 1045680, 1202532, 1503165, 1568520, 1603376, 1803798, 2004220, 2405064, 3006330, 3137040, 3607596, 4008440, 4509495, 4810128, 6012660, 7215192, 8016880, 9018990, 12025320, 14430384, 18037980, 24050640, 36075960, 72151920]

約数ペア:

[(1, 72151920), (2, 36075960), (3, 24050640), (4, 18037980), (5, 14430384), (6, 12025320), (8, 9018990), (9, 8016880), (10, 7215192), (12, 6012660), (15, 4810128), (16, 4509495), (18, 4008440), (20, 3607596), (23, 3137040), (24, 3006330), (30, 2405064), (36, 2004220), (40, 1803798), (45, 1603376), (46, 1568520), (48, 1503165), (60, 1202532), (69, 1045680), (72, 1002110), (80, 901899), (90, 801688), (92, 784260), (115, 627408), (120, 601266), (138, 522840), (144, 501055), (180, 400844), (184, 392130), (207, 348560), (230, 313704), (240, 300633), (276, 261420), (345, 209136), (360, 200422), (368, 196065), (414, 174280), (460, 156852), (552, 130710), (690, 104568), (720, 100211), (828, 87140), (920, 78426), (1035, 69712), (1104, 65355), (1380, 52284), (1656, 43570), (1840, 39213), (2070, 34856), (2760, 26142), (3312, 21785), (4140, 17428), (4357, 16560), (5520, 13071), (8280, 8714)]