230965840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 160

約数和(自身を含む): 643244544

約数和(自身を除く): 412278704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 71, 74, 80, 112, 140, 142, 148, 157, 185, 259, 280, 284, 296, 314, 355, 370, 497, 518, 560, 568, 592, 628, 710, 740, 785, 994, 1036, 1099, 1136, 1256, 1295, 1420, 1480, 1570, 1988, 2072, 2198, 2485, 2512, 2590, 2627, 2840, 2960, 3140, 3976, 4144, 4396, 4970, 5180, 5254, 5495, 5680, 5809, 6280, 7952, 8792, 9940, 10360, 10508, 10990, 11147, 11618, 12560, 13135, 17584, 18389, 19880, 20720, 21016, 21980, 22294, 23236, 26270, 29045, 36778, 39760, 40663, 42032, 43960, 44588, 46472, 52540, 55735, 58090, 73556, 78029, 81326, 87920, 89176, 91945, 92944, 105080, 111470, 116180, 147112, 156058, 162652, 178352, 183890, 203315, 210160, 222940, 232360, 294224, 312116, 325304, 367780, 390145, 406630, 412439, 445880, 464720, 624232, 650608, 735560, 780290, 813260, 824878, 891760, 1248464, 1471120, 1560580, 1626520, 1649756, 2062195, 2887073, 3121160, 3253040, 3299512, 4124390, 5774146, 6242320, 6599024, 8248780, 11548292, 14435365, 16497560, 23096584, 28870730, 32995120, 46193168, 57741460, 115482920, 230965840]

約数ペア:

[(1, 230965840), (2, 115482920), (4, 57741460), (5, 46193168), (7, 32995120), (8, 28870730), (10, 23096584), (14, 16497560), (16, 14435365), (20, 11548292), (28, 8248780), (35, 6599024), (37, 6242320), (40, 5774146), (56, 4124390), (70, 3299512), (71, 3253040), (74, 3121160), (80, 2887073), (112, 2062195), (140, 1649756), (142, 1626520), (148, 1560580), (157, 1471120), (185, 1248464), (259, 891760), (280, 824878), (284, 813260), (296, 780290), (314, 735560), (355, 650608), (370, 624232), (497, 464720), (518, 445880), (560, 412439), (568, 406630), (592, 390145), (628, 367780), (710, 325304), (740, 312116), (785, 294224), (994, 232360), (1036, 222940), (1099, 210160), (1136, 203315), (1256, 183890), (1295, 178352), (1420, 162652), (1480, 156058), (1570, 147112), (1988, 116180), (2072, 111470), (2198, 105080), (2485, 92944), (2512, 91945), (2590, 89176), (2627, 87920), (2840, 81326), (2960, 78029), (3140, 73556), (3976, 58090), (4144, 55735), (4396, 52540), (4970, 46472), (5180, 44588), (5254, 43960), (5495, 42032), (5680, 40663), (5809, 39760), (6280, 36778), (7952, 29045), (8792, 26270), (9940, 23236), (10360, 22294), (10508, 21980), (10990, 21016), (11147, 20720), (11618, 19880), (12560, 18389), (13135, 17584)]