68555640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{421}}^1$

素因数の和:517

約数の個数: 128

約数和(自身を含む): 218764800

約数和(自身を除く): 150209160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 59, 60, 69, 92, 115, 118, 120, 138, 177, 184, 230, 236, 276, 295, 345, 354, 421, 460, 472, 552, 590, 690, 708, 842, 885, 920, 1180, 1263, 1357, 1380, 1416, 1684, 1770, 2105, 2360, 2526, 2714, 2760, 3368, 3540, 4071, 4210, 5052, 5428, 6315, 6785, 7080, 8142, 8420, 9683, 10104, 10856, 12630, 13570, 16284, 16840, 19366, 20355, 24839, 25260, 27140, 29049, 32568, 38732, 40710, 48415, 49678, 50520, 54280, 58098, 74517, 77464, 81420, 96830, 99356, 116196, 124195, 145245, 149034, 162840, 193660, 198712, 232392, 248390, 290490, 298068, 372585, 387320, 496780, 571297, 580980, 596136, 745170, 993560, 1142594, 1161960, 1490340, 1713891, 2285188, 2856485, 2980680, 3427782, 4570376, 5712970, 6855564, 8569455, 11425940, 13711128, 17138910, 22851880, 34277820, 68555640]

約数ペア:

[(1, 68555640), (2, 34277820), (3, 22851880), (4, 17138910), (5, 13711128), (6, 11425940), (8, 8569455), (10, 6855564), (12, 5712970), (15, 4570376), (20, 3427782), (23, 2980680), (24, 2856485), (30, 2285188), (40, 1713891), (46, 1490340), (59, 1161960), (60, 1142594), (69, 993560), (92, 745170), (115, 596136), (118, 580980), (120, 571297), (138, 496780), (177, 387320), (184, 372585), (230, 298068), (236, 290490), (276, 248390), (295, 232392), (345, 198712), (354, 193660), (421, 162840), (460, 149034), (472, 145245), (552, 124195), (590, 116196), (690, 99356), (708, 96830), (842, 81420), (885, 77464), (920, 74517), (1180, 58098), (1263, 54280), (1357, 50520), (1380, 49678), (1416, 48415), (1684, 40710), (1770, 38732), (2105, 32568), (2360, 29049), (2526, 27140), (2714, 25260), (2760, 24839), (3368, 20355), (3540, 19366), (4071, 16840), (4210, 16284), (5052, 13570), (5428, 12630), (6315, 10856), (6785, 10104), (7080, 9683), (8142, 8420)]