15707860090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{79861}}^1$

素因数の和:79987

約数の個数: 64

約数和(自身を含む): 32602862880

約数和(自身を除く): 16895002790

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 89, 130, 170, 178, 221, 442, 445, 890, 1105, 1157, 1513, 2210, 2314, 3026, 5785, 7565, 11570, 15130, 19669, 39338, 79861, 98345, 159722, 196690, 399305, 798610, 1038193, 1357637, 2076386, 2715274, 5190965, 6788185, 7107629, 10381930, 13576370, 14215258, 17649281, 35298562, 35538145, 71076290, 88246405, 92399177, 120829693, 176492810, 184798354, 241659386, 461995885, 604148465, 923991770, 1208296930, 1570786009, 3141572018, 7853930045, 15707860090]

約数ペア:

[(1, 15707860090), (2, 7853930045), (5, 3141572018), (10, 1570786009), (13, 1208296930), (17, 923991770), (26, 604148465), (34, 461995885), (65, 241659386), (85, 184798354), (89, 176492810), (130, 120829693), (170, 92399177), (178, 88246405), (221, 71076290), (442, 35538145), (445, 35298562), (890, 17649281), (1105, 14215258), (1157, 13576370), (1513, 10381930), (2210, 7107629), (2314, 6788185), (3026, 5190965), (5785, 2715274), (7565, 2076386), (11570, 1357637), (15130, 1038193), (19669, 798610), (39338, 399305), (79861, 196690), (98345, 159722)]