90666940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1667

約数の個数: 96

約数和(自身を含む): 242049024

約数和(自身を除く): 151382084

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 52, 62, 65, 70, 91, 124, 130, 140, 155, 182, 217, 260, 310, 364, 403, 434, 455, 620, 806, 868, 910, 1085, 1607, 1612, 1820, 2015, 2170, 2821, 3214, 4030, 4340, 5642, 6428, 8035, 8060, 11249, 11284, 14105, 16070, 20891, 22498, 28210, 32140, 41782, 44996, 49817, 56245, 56420, 83564, 99634, 104455, 112490, 146237, 199268, 208910, 224980, 249085, 292474, 348719, 417820, 498170, 584948, 647621, 697438, 731185, 996340, 1295242, 1394876, 1462370, 1743595, 2590484, 2924740, 3238105, 3487190, 4533347, 6476210, 6974380, 9066694, 12952420, 18133388, 22666735, 45333470, 90666940]

約数ペア:

[(1, 90666940), (2, 45333470), (4, 22666735), (5, 18133388), (7, 12952420), (10, 9066694), (13, 6974380), (14, 6476210), (20, 4533347), (26, 3487190), (28, 3238105), (31, 2924740), (35, 2590484), (52, 1743595), (62, 1462370), (65, 1394876), (70, 1295242), (91, 996340), (124, 731185), (130, 697438), (140, 647621), (155, 584948), (182, 498170), (217, 417820), (260, 348719), (310, 292474), (364, 249085), (403, 224980), (434, 208910), (455, 199268), (620, 146237), (806, 112490), (868, 104455), (910, 99634), (1085, 83564), (1607, 56420), (1612, 56245), (1820, 49817), (2015, 44996), (2170, 41782), (2821, 32140), (3214, 28210), (4030, 22498), (4340, 20891), (5642, 16070), (6428, 14105), (8035, 11284), (8060, 11249)]