31985160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{15679}}^1$

素因数の和:15710

約数の個数: 64

約数和(自身を含む): 101606400

約数和(自身を除く): 69621240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 15679, 31358, 47037, 62716, 78395, 94074, 125432, 156790, 188148, 235185, 266543, 313580, 376296, 470370, 533086, 627160, 799629, 940740, 1066172, 1332715, 1599258, 1881480, 2132344, 2665430, 3198516, 3998145, 5330860, 6397032, 7996290, 10661720, 15992580, 31985160]

約数ペア:

[(1, 31985160), (2, 15992580), (3, 10661720), (4, 7996290), (5, 6397032), (6, 5330860), (8, 3998145), (10, 3198516), (12, 2665430), (15, 2132344), (17, 1881480), (20, 1599258), (24, 1332715), (30, 1066172), (34, 940740), (40, 799629), (51, 627160), (60, 533086), (68, 470370), (85, 376296), (102, 313580), (120, 266543), (136, 235185), (170, 188148), (204, 156790), (255, 125432), (340, 94074), (408, 78395), (510, 62716), (680, 47037), (1020, 31358), (2040, 15679)]