181333880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1607}}^1$

素因数の和:1669

約数の個数: 128

約数和(自身を含む): 518676480

約数和(自身を除く): 337342600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 91, 104, 124, 130, 140, 155, 182, 217, 248, 260, 280, 310, 364, 403, 434, 455, 520, 620, 728, 806, 868, 910, 1085, 1240, 1607, 1612, 1736, 1820, 2015, 2170, 2821, 3214, 3224, 3640, 4030, 4340, 5642, 6428, 8035, 8060, 8680, 11249, 11284, 12856, 14105, 16070, 16120, 20891, 22498, 22568, 28210, 32140, 41782, 44996, 49817, 56245, 56420, 64280, 83564, 89992, 99634, 104455, 112490, 112840, 146237, 167128, 199268, 208910, 224980, 249085, 292474, 348719, 398536, 417820, 449960, 498170, 584948, 647621, 697438, 731185, 835640, 996340, 1169896, 1295242, 1394876, 1462370, 1743595, 1992680, 2590484, 2789752, 2924740, 3238105, 3487190, 4533347, 5180968, 5849480, 6476210, 6974380, 9066694, 12952420, 13948760, 18133388, 22666735, 25904840, 36266776, 45333470, 90666940, 181333880]

約数ペア:

[(1, 181333880), (2, 90666940), (4, 45333470), (5, 36266776), (7, 25904840), (8, 22666735), (10, 18133388), (13, 13948760), (14, 12952420), (20, 9066694), (26, 6974380), (28, 6476210), (31, 5849480), (35, 5180968), (40, 4533347), (52, 3487190), (56, 3238105), (62, 2924740), (65, 2789752), (70, 2590484), (91, 1992680), (104, 1743595), (124, 1462370), (130, 1394876), (140, 1295242), (155, 1169896), (182, 996340), (217, 835640), (248, 731185), (260, 697438), (280, 647621), (310, 584948), (364, 498170), (403, 449960), (434, 417820), (455, 398536), (520, 348719), (620, 292474), (728, 249085), (806, 224980), (868, 208910), (910, 199268), (1085, 167128), (1240, 146237), (1607, 112840), (1612, 112490), (1736, 104455), (1820, 99634), (2015, 89992), (2170, 83564), (2821, 64280), (3214, 56420), (3224, 56245), (3640, 49817), (4030, 44996), (4340, 41782), (5642, 32140), (6428, 28210), (8035, 22568), (8060, 22498), (8680, 20891), (11249, 16120), (11284, 16070), (12856, 14105)]