287354640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{52057}}^1$

素因数の和:52096

約数の個数: 80

約数和(自身を含む): 929547648

約数和(自身を除く): 642193008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 5520, 52057, 104114, 156171, 208228, 260285, 312342, 416456, 520570, 624684, 780855, 832912, 1041140, 1197311, 1249368, 1561710, 2082280, 2394622, 2498736, 3123420, 3591933, 4164560, 4789244, 5986555, 6246840, 7183866, 9578488, 11973110, 12493680, 14367732, 17959665, 19156976, 23946220, 28735464, 35919330, 47892440, 57470928, 71838660, 95784880, 143677320, 287354640]

約数ペア:

[(1, 287354640), (2, 143677320), (3, 95784880), (4, 71838660), (5, 57470928), (6, 47892440), (8, 35919330), (10, 28735464), (12, 23946220), (15, 19156976), (16, 17959665), (20, 14367732), (23, 12493680), (24, 11973110), (30, 9578488), (40, 7183866), (46, 6246840), (48, 5986555), (60, 4789244), (69, 4164560), (80, 3591933), (92, 3123420), (115, 2498736), (120, 2394622), (138, 2082280), (184, 1561710), (230, 1249368), (240, 1197311), (276, 1041140), (345, 832912), (368, 780855), (460, 624684), (552, 520570), (690, 416456), (920, 312342), (1104, 260285), (1380, 208228), (1840, 156171), (2760, 104114), (5520, 52057)]