30730040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{331}}^1$

素因数の和:564

約数の個数: 64

約数和(自身を含む): 76014720

約数和(自身を除く): 45284680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 211, 220, 331, 422, 440, 662, 844, 1055, 1324, 1655, 1688, 2110, 2321, 2648, 3310, 3641, 4220, 4642, 6620, 7282, 8440, 9284, 11605, 13240, 14564, 18205, 18568, 23210, 29128, 36410, 46420, 69841, 72820, 92840, 139682, 145640, 279364, 349205, 558728, 698410, 768251, 1396820, 1536502, 2793640, 3073004, 3841255, 6146008, 7682510, 15365020, 30730040]

約数ペア:

[(1, 30730040), (2, 15365020), (4, 7682510), (5, 6146008), (8, 3841255), (10, 3073004), (11, 2793640), (20, 1536502), (22, 1396820), (40, 768251), (44, 698410), (55, 558728), (88, 349205), (110, 279364), (211, 145640), (220, 139682), (331, 92840), (422, 72820), (440, 69841), (662, 46420), (844, 36410), (1055, 29128), (1324, 23210), (1655, 18568), (1688, 18205), (2110, 14564), (2321, 13240), (2648, 11605), (3310, 9284), (3641, 8440), (4220, 7282), (4642, 6620)]