262974640

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1258

約数の個数: 80

約数和(自身を含む): 643458816

約数和(自身を除く): 380484176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 131, 184, 230, 262, 368, 460, 524, 655, 920, 1048, 1091, 1310, 1840, 2096, 2182, 2620, 3013, 4364, 5240, 5455, 6026, 8728, 10480, 10910, 12052, 15065, 17456, 21820, 24104, 25093, 30130, 43640, 48208, 50186, 60260, 87280, 100372, 120520, 125465, 142921, 200744, 241040, 250930, 285842, 401488, 501860, 571684, 714605, 1003720, 1143368, 1429210, 2007440, 2286736, 2858420, 3287183, 5716840, 6574366, 11433680, 13148732, 16435915, 26297464, 32871830, 52594928, 65743660, 131487320, 262974640]

約数ペア:

[(1, 262974640), (2, 131487320), (4, 65743660), (5, 52594928), (8, 32871830), (10, 26297464), (16, 16435915), (20, 13148732), (23, 11433680), (40, 6574366), (46, 5716840), (80, 3287183), (92, 2858420), (115, 2286736), (131, 2007440), (184, 1429210), (230, 1143368), (262, 1003720), (368, 714605), (460, 571684), (524, 501860), (655, 401488), (920, 285842), (1048, 250930), (1091, 241040), (1310, 200744), (1840, 142921), (2096, 125465), (2182, 120520), (2620, 100372), (3013, 87280), (4364, 60260), (5240, 50186), (5455, 48208), (6026, 43640), (8728, 30130), (10480, 25093), (10910, 24104), (12052, 21820), (15065, 17456)]