15619660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 96

約数和(自身を含む): 39997440

約数和(自身を除く): 24377780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 59, 61, 62, 70, 118, 122, 124, 140, 155, 217, 236, 244, 295, 305, 310, 413, 427, 434, 590, 610, 620, 826, 854, 868, 1085, 1180, 1220, 1652, 1708, 1829, 1891, 2065, 2135, 2170, 3599, 3658, 3782, 4130, 4270, 4340, 7198, 7316, 7564, 8260, 8540, 9145, 9455, 12803, 13237, 14396, 17995, 18290, 18910, 25193, 25606, 26474, 35990, 36580, 37820, 50386, 51212, 52948, 64015, 66185, 71980, 100772, 111569, 125965, 128030, 132370, 223138, 251930, 256060, 264740, 446276, 503860, 557845, 780983, 1115690, 1561966, 2231380, 3123932, 3904915, 7809830, 15619660]

約数ペア:

[(1, 15619660), (2, 7809830), (4, 3904915), (5, 3123932), (7, 2231380), (10, 1561966), (14, 1115690), (20, 780983), (28, 557845), (31, 503860), (35, 446276), (59, 264740), (61, 256060), (62, 251930), (70, 223138), (118, 132370), (122, 128030), (124, 125965), (140, 111569), (155, 100772), (217, 71980), (236, 66185), (244, 64015), (295, 52948), (305, 51212), (310, 50386), (413, 37820), (427, 36580), (434, 35990), (590, 26474), (610, 25606), (620, 25193), (826, 18910), (854, 18290), (868, 17995), (1085, 14396), (1180, 13237), (1220, 12803), (1652, 9455), (1708, 9145), (1829, 8540), (1891, 8260), (2065, 7564), (2135, 7316), (2170, 7198), (3599, 4340), (3658, 4270), (3782, 4130)]