31776680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1153}}^1$

素因数の和:1230

約数の個数: 64

約数和(自身を含む): 78518160

約数和(自身を除く): 46741480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1153, 1378, 2120, 2306, 2756, 3445, 4612, 5512, 5765, 6890, 9224, 11530, 13780, 14989, 23060, 27560, 29978, 46120, 59956, 61109, 74945, 119912, 122218, 149890, 244436, 299780, 305545, 488872, 599560, 611090, 794417, 1222180, 1588834, 2444360, 3177668, 3972085, 6355336, 7944170, 15888340, 31776680]

約数ペア:

[(1, 31776680), (2, 15888340), (4, 7944170), (5, 6355336), (8, 3972085), (10, 3177668), (13, 2444360), (20, 1588834), (26, 1222180), (40, 794417), (52, 611090), (53, 599560), (65, 488872), (104, 305545), (106, 299780), (130, 244436), (212, 149890), (260, 122218), (265, 119912), (424, 74945), (520, 61109), (530, 59956), (689, 46120), (1060, 29978), (1153, 27560), (1378, 23060), (2120, 14989), (2306, 13780), (2756, 11530), (3445, 9224), (4612, 6890), (5512, 5765)]