15702271780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{678577}}^1$

素因数の和:678688

約数の個数: 48

約数和(自身を含む): 35910347760

約数和(自身を除く): 20208075980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 4628, 5785, 11570, 23140, 678577, 1357154, 2714308, 3392885, 6785770, 8821501, 13571540, 17643002, 35286004, 44107505, 60393353, 88215010, 120786706, 176430020, 241573412, 301966765, 603933530, 785113589, 1207867060, 1570227178, 3140454356, 3925567945, 7851135890, 15702271780]

約数ペア:

[(1, 15702271780), (2, 7851135890), (4, 3925567945), (5, 3140454356), (10, 1570227178), (13, 1207867060), (20, 785113589), (26, 603933530), (52, 301966765), (65, 241573412), (89, 176430020), (130, 120786706), (178, 88215010), (260, 60393353), (356, 44107505), (445, 35286004), (890, 17643002), (1157, 13571540), (1780, 8821501), (2314, 6785770), (4628, 3392885), (5785, 2714308), (11570, 1357154), (23140, 678577)]