30144140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 68584320

約数和(自身を除く): 38440180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 431, 538, 862, 1076, 1345, 1724, 2155, 2690, 3497, 4310, 5380, 5603, 6994, 8620, 11206, 13988, 17485, 22412, 28015, 34970, 56030, 69940, 112060, 115939, 231878, 463756, 579695, 1159390, 1507207, 2318780, 3014414, 6028828, 7536035, 15072070, 30144140]

約数ペア:

[(1, 30144140), (2, 15072070), (4, 7536035), (5, 6028828), (10, 3014414), (13, 2318780), (20, 1507207), (26, 1159390), (52, 579695), (65, 463756), (130, 231878), (260, 115939), (269, 112060), (431, 69940), (538, 56030), (862, 34970), (1076, 28015), (1345, 22412), (1724, 17485), (2155, 13988), (2690, 11206), (3497, 8620), (4310, 6994), (5380, 5603)]