31462240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 80831520

約数和(自身を除く): 49369280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 68, 80, 85, 86, 136, 160, 170, 172, 215, 269, 272, 340, 344, 430, 538, 544, 680, 688, 731, 860, 1076, 1345, 1360, 1376, 1462, 1720, 2152, 2690, 2720, 2924, 3440, 3655, 4304, 4573, 5380, 5848, 6880, 7310, 8608, 9146, 10760, 11567, 11696, 14620, 18292, 21520, 22865, 23134, 23392, 29240, 36584, 43040, 45730, 46268, 57835, 58480, 73168, 91460, 92536, 115670, 116960, 146336, 182920, 185072, 196639, 231340, 365840, 370144, 393278, 462680, 731680, 786556, 925360, 983195, 1573112, 1850720, 1966390, 3146224, 3932780, 6292448, 7865560, 15731120, 31462240]

約数ペア:

[(1, 31462240), (2, 15731120), (4, 7865560), (5, 6292448), (8, 3932780), (10, 3146224), (16, 1966390), (17, 1850720), (20, 1573112), (32, 983195), (34, 925360), (40, 786556), (43, 731680), (68, 462680), (80, 393278), (85, 370144), (86, 365840), (136, 231340), (160, 196639), (170, 185072), (172, 182920), (215, 146336), (269, 116960), (272, 115670), (340, 92536), (344, 91460), (430, 73168), (538, 58480), (544, 57835), (680, 46268), (688, 45730), (731, 43040), (860, 36584), (1076, 29240), (1345, 23392), (1360, 23134), (1376, 22865), (1462, 21520), (1720, 18292), (2152, 14620), (2690, 11696), (2720, 11567), (2924, 10760), (3440, 9146), (3655, 8608), (4304, 7310), (4573, 6880), (5380, 5848)]