51177780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 162489600

約数和(自身を除く): 111311820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 61, 79, 90, 118, 122, 158, 177, 180, 183, 236, 237, 244, 295, 305, 316, 354, 366, 395, 474, 531, 549, 590, 610, 708, 711, 732, 790, 885, 915, 948, 1062, 1098, 1180, 1185, 1220, 1422, 1580, 1770, 1830, 2124, 2196, 2370, 2655, 2745, 2844, 3540, 3555, 3599, 3660, 4661, 4740, 4819, 5310, 5490, 7110, 7198, 9322, 9638, 10620, 10797, 10980, 13983, 14220, 14396, 14457, 17995, 18644, 19276, 21594, 23305, 24095, 27966, 28914, 32391, 35990, 41949, 43188, 43371, 46610, 48190, 53985, 55932, 57828, 64782, 69915, 71980, 72285, 83898, 86742, 93220, 96380, 107970, 129564, 139830, 144570, 161955, 167796, 173484, 209745, 215940, 216855, 279660, 284321, 289140, 323910, 419490, 433710, 568642, 647820, 838980, 852963, 867420, 1137284, 1421605, 1705926, 2558889, 2843210, 3411852, 4264815, 5117778, 5686420, 8529630, 10235556, 12794445, 17059260, 25588890, 51177780]

約数ペア:

[(1, 51177780), (2, 25588890), (3, 17059260), (4, 12794445), (5, 10235556), (6, 8529630), (9, 5686420), (10, 5117778), (12, 4264815), (15, 3411852), (18, 2843210), (20, 2558889), (30, 1705926), (36, 1421605), (45, 1137284), (59, 867420), (60, 852963), (61, 838980), (79, 647820), (90, 568642), (118, 433710), (122, 419490), (158, 323910), (177, 289140), (180, 284321), (183, 279660), (236, 216855), (237, 215940), (244, 209745), (295, 173484), (305, 167796), (316, 161955), (354, 144570), (366, 139830), (395, 129564), (474, 107970), (531, 96380), (549, 93220), (590, 86742), (610, 83898), (708, 72285), (711, 71980), (732, 69915), (790, 64782), (885, 57828), (915, 55932), (948, 53985), (1062, 48190), (1098, 46610), (1180, 43371), (1185, 43188), (1220, 41949), (1422, 35990), (1580, 32391), (1770, 28914), (1830, 27966), (2124, 24095), (2196, 23305), (2370, 21594), (2655, 19276), (2745, 18644), (2844, 17995), (3540, 14457), (3555, 14396), (3599, 14220), (3660, 13983), (4661, 10980), (4740, 10797), (4819, 10620), (5310, 9638), (5490, 9322), (7110, 7198)]