208607580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5197}}^1$

素因数の和:5435

約数の個数: 72

約数和(自身を含む): 635736192

約数和(自身を除く): 427128612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 446, 669, 892, 1115, 1338, 2007, 2230, 2676, 3345, 4014, 4460, 5197, 6690, 8028, 10035, 10394, 13380, 15591, 20070, 20788, 25985, 31182, 40140, 46773, 51970, 62364, 77955, 93546, 103940, 155910, 187092, 233865, 311820, 467730, 935460, 1158931, 2317862, 3476793, 4635724, 5794655, 6953586, 10430379, 11589310, 13907172, 17383965, 20860758, 23178620, 34767930, 41721516, 52151895, 69535860, 104303790, 208607580]

約数ペア:

[(1, 208607580), (2, 104303790), (3, 69535860), (4, 52151895), (5, 41721516), (6, 34767930), (9, 23178620), (10, 20860758), (12, 17383965), (15, 13907172), (18, 11589310), (20, 10430379), (30, 6953586), (36, 5794655), (45, 4635724), (60, 3476793), (90, 2317862), (180, 1158931), (223, 935460), (446, 467730), (669, 311820), (892, 233865), (1115, 187092), (1338, 155910), (2007, 103940), (2230, 93546), (2676, 77955), (3345, 62364), (4014, 51970), (4460, 46773), (5197, 40140), (6690, 31182), (8028, 25985), (10035, 20788), (10394, 20070), (13380, 15591)]