381228720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20107}}^1$

素因数の和:20202

約数の個数: 80

約数和(自身を含む): 1196828160

約数和(自身を除く): 815599440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 9480, 18960, 20107, 40214, 60321, 80428, 100535, 120642, 160856, 201070, 241284, 301605, 321712, 402140, 482568, 603210, 804280, 965136, 1206420, 1588453, 1608560, 2412840, 3176906, 4765359, 4825680, 6353812, 7942265, 9530718, 12707624, 15884530, 19061436, 23826795, 25415248, 31769060, 38122872, 47653590, 63538120, 76245744, 95307180, 127076240, 190614360, 381228720]

約数ペア:

[(1, 381228720), (2, 190614360), (3, 127076240), (4, 95307180), (5, 76245744), (6, 63538120), (8, 47653590), (10, 38122872), (12, 31769060), (15, 25415248), (16, 23826795), (20, 19061436), (24, 15884530), (30, 12707624), (40, 9530718), (48, 7942265), (60, 6353812), (79, 4825680), (80, 4765359), (120, 3176906), (158, 2412840), (237, 1608560), (240, 1588453), (316, 1206420), (395, 965136), (474, 804280), (632, 603210), (790, 482568), (948, 402140), (1185, 321712), (1264, 301605), (1580, 241284), (1896, 201070), (2370, 160856), (3160, 120642), (3792, 100535), (4740, 80428), (6320, 60321), (9480, 40214), (18960, 20107)]