64435670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 131604480

約数和(自身を除く): 67168810

約数列:

[1, 2, 5, 10, 13, 26, 31, 59, 62, 65, 118, 130, 155, 271, 295, 310, 403, 542, 590, 767, 806, 1355, 1534, 1829, 2015, 2710, 3523, 3658, 3835, 4030, 7046, 7670, 8401, 9145, 15989, 16802, 17615, 18290, 23777, 31978, 35230, 42005, 47554, 79945, 84010, 109213, 118885, 159890, 207857, 218426, 237770, 415714, 495659, 546065, 991318, 1039285, 1092130, 2078570, 2478295, 4956590, 6443567, 12887134, 32217835, 64435670]

約数ペア:

[(1, 64435670), (2, 32217835), (5, 12887134), (10, 6443567), (13, 4956590), (26, 2478295), (31, 2078570), (59, 1092130), (62, 1039285), (65, 991318), (118, 546065), (130, 495659), (155, 415714), (271, 237770), (295, 218426), (310, 207857), (403, 159890), (542, 118885), (590, 109213), (767, 84010), (806, 79945), (1355, 47554), (1534, 42005), (1829, 35230), (2015, 31978), (2710, 23777), (3523, 18290), (3658, 17615), (3835, 16802), (4030, 15989), (7046, 9145), (7670, 8401)]