66107860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5189}}^1$

素因数の和:5225

約数の個数: 72

約数和(自身を含む): 173948040

約数和(自身を除く): 107840180

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 5189, 6370, 10378, 12740, 20756, 25945, 36323, 51890, 67457, 72646, 103780, 134914, 145292, 181615, 254261, 269828, 337285, 363230, 472199, 508522, 674570, 726460, 944398, 1017044, 1271305, 1349140, 1888796, 2360995, 2542610, 3305393, 4721990, 5085220, 6610786, 9443980, 13221572, 16526965, 33053930, 66107860]

約数ペア:

[(1, 66107860), (2, 33053930), (4, 16526965), (5, 13221572), (7, 9443980), (10, 6610786), (13, 5085220), (14, 4721990), (20, 3305393), (26, 2542610), (28, 2360995), (35, 1888796), (49, 1349140), (52, 1271305), (65, 1017044), (70, 944398), (91, 726460), (98, 674570), (130, 508522), (140, 472199), (182, 363230), (196, 337285), (245, 269828), (260, 254261), (364, 181615), (455, 145292), (490, 134914), (637, 103780), (910, 72646), (980, 67457), (1274, 51890), (1820, 36323), (2548, 25945), (3185, 20756), (5189, 12740), (6370, 10378)]