656102720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{22531}}^1$

素因数の和:22568

約数の個数: 112

約数和(自身を含む): 1922971008

約数和(自身を除く): 1266868288

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 14560, 22531, 29120, 45062, 90124, 112655, 157717, 180248, 225310, 292903, 315434, 360496, 450620, 585806, 630868, 720992, 788585, 901240, 1171612, 1261736, 1441984, 1464515, 1577170, 1802480, 2050321, 2343224, 2523472, 2929030, 3154340, 3604960, 4100642, 4686448, 5046944, 5858060, 6308680, 7209920, 8201284, 9372896, 10093888, 10251605, 11716120, 12617360, 16402568, 18745792, 20503210, 23432240, 25234720, 32805136, 41006420, 46864480, 50469440, 65610272, 82012840, 93728960, 131220544, 164025680, 328051360, 656102720]

約数ペア:

[(1, 656102720), (2, 328051360), (4, 164025680), (5, 131220544), (7, 93728960), (8, 82012840), (10, 65610272), (13, 50469440), (14, 46864480), (16, 41006420), (20, 32805136), (26, 25234720), (28, 23432240), (32, 20503210), (35, 18745792), (40, 16402568), (52, 12617360), (56, 11716120), (64, 10251605), (65, 10093888), (70, 9372896), (80, 8201284), (91, 7209920), (104, 6308680), (112, 5858060), (130, 5046944), (140, 4686448), (160, 4100642), (182, 3604960), (208, 3154340), (224, 2929030), (260, 2523472), (280, 2343224), (320, 2050321), (364, 1802480), (416, 1577170), (448, 1464515), (455, 1441984), (520, 1261736), (560, 1171612), (728, 901240), (832, 788585), (910, 720992), (1040, 630868), (1120, 585806), (1456, 450620), (1820, 360496), (2080, 315434), (2240, 292903), (2912, 225310), (3640, 180248), (4160, 157717), (5824, 112655), (7280, 90124), (14560, 45062), (22531, 29120)]