180904220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1$

素因数の和:691

約数の個数: 96

約数和(自身を含む): 455110656

約数和(自身を除く): 274206436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 73, 124, 140, 146, 155, 217, 292, 310, 365, 434, 511, 571, 620, 730, 868, 1022, 1085, 1142, 1460, 2044, 2170, 2263, 2284, 2555, 2855, 3997, 4340, 4526, 5110, 5710, 7994, 9052, 10220, 11315, 11420, 15841, 15988, 17701, 19985, 22630, 31682, 35402, 39970, 41683, 45260, 63364, 70804, 79205, 79940, 83366, 88505, 123907, 158410, 166732, 177010, 208415, 247814, 291781, 316820, 354020, 416830, 495628, 583562, 619535, 833660, 1167124, 1239070, 1292173, 1458905, 2478140, 2584346, 2917810, 5168692, 5835620, 6460865, 9045211, 12921730, 18090422, 25843460, 36180844, 45226055, 90452110, 180904220]

約数ペア:

[(1, 180904220), (2, 90452110), (4, 45226055), (5, 36180844), (7, 25843460), (10, 18090422), (14, 12921730), (20, 9045211), (28, 6460865), (31, 5835620), (35, 5168692), (62, 2917810), (70, 2584346), (73, 2478140), (124, 1458905), (140, 1292173), (146, 1239070), (155, 1167124), (217, 833660), (292, 619535), (310, 583562), (365, 495628), (434, 416830), (511, 354020), (571, 316820), (620, 291781), (730, 247814), (868, 208415), (1022, 177010), (1085, 166732), (1142, 158410), (1460, 123907), (2044, 88505), (2170, 83366), (2263, 79940), (2284, 79205), (2555, 70804), (2855, 63364), (3997, 45260), (4340, 41683), (4526, 39970), (5110, 35402), (5710, 31682), (7994, 22630), (9052, 19985), (10220, 17701), (11315, 15988), (11420, 15841)]