72202040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 167132160

約数和(自身を除く): 94930120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 233, 244, 254, 305, 466, 488, 508, 610, 635, 932, 1016, 1165, 1220, 1270, 1864, 2330, 2440, 2540, 4660, 5080, 7747, 9320, 14213, 15494, 28426, 29591, 30988, 38735, 56852, 59182, 61976, 71065, 77470, 113704, 118364, 142130, 147955, 154940, 236728, 284260, 295910, 309880, 568520, 591820, 1183640, 1805051, 3610102, 7220204, 9025255, 14440408, 18050510, 36101020, 72202040]

約数ペア:

[(1, 72202040), (2, 36101020), (4, 18050510), (5, 14440408), (8, 9025255), (10, 7220204), (20, 3610102), (40, 1805051), (61, 1183640), (122, 591820), (127, 568520), (233, 309880), (244, 295910), (254, 284260), (305, 236728), (466, 154940), (488, 147955), (508, 142130), (610, 118364), (635, 113704), (932, 77470), (1016, 71065), (1165, 61976), (1220, 59182), (1270, 56852), (1864, 38735), (2330, 30988), (2440, 29591), (2540, 28426), (4660, 15494), (5080, 14213), (7747, 9320)]