857890320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{691}}^1\times {\mathrm{739}}^1$

素因数の和:1453

約数の個数: 160

約数和(自身を含む): 3047900160

約数和(自身を除く): 2190009840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 691, 739, 840, 1382, 1478, 1680, 2073, 2217, 2764, 2956, 3455, 3695, 4146, 4434, 4837, 5173, 5528, 5912, 6910, 7390, 8292, 8868, 9674, 10346, 10365, 11056, 11085, 11824, 13820, 14511, 14780, 15519, 16584, 17736, 19348, 20692, 20730, 22170, 24185, 25865, 27640, 29022, 29560, 31038, 33168, 35472, 38696, 41384, 41460, 44340, 48370, 51730, 55280, 58044, 59120, 62076, 72555, 77392, 77595, 82768, 82920, 88680, 96740, 103460, 116088, 124152, 145110, 155190, 165840, 177360, 193480, 206920, 232176, 248304, 290220, 310380, 386960, 413840, 510649, 580440, 620760, 1021298, 1160880, 1241520, 1531947, 2042596, 2553245, 3063894, 3574543, 4085192, 5106490, 6127788, 7149086, 7659735, 8170384, 10212980, 10723629, 12255576, 14298172, 15319470, 17872715, 20425960, 21447258, 24511152, 28596344, 30638940, 35745430, 40851920, 42894516, 53618145, 57192688, 61277880, 71490860, 85789032, 107236290, 122555760, 142981720, 171578064, 214472580, 285963440, 428945160, 857890320]

約数ペア:

[(1, 857890320), (2, 428945160), (3, 285963440), (4, 214472580), (5, 171578064), (6, 142981720), (7, 122555760), (8, 107236290), (10, 85789032), (12, 71490860), (14, 61277880), (15, 57192688), (16, 53618145), (20, 42894516), (21, 40851920), (24, 35745430), (28, 30638940), (30, 28596344), (35, 24511152), (40, 21447258), (42, 20425960), (48, 17872715), (56, 15319470), (60, 14298172), (70, 12255576), (80, 10723629), (84, 10212980), (105, 8170384), (112, 7659735), (120, 7149086), (140, 6127788), (168, 5106490), (210, 4085192), (240, 3574543), (280, 3063894), (336, 2553245), (420, 2042596), (560, 1531947), (691, 1241520), (739, 1160880), (840, 1021298), (1382, 620760), (1478, 580440), (1680, 510649), (2073, 413840), (2217, 386960), (2764, 310380), (2956, 290220), (3455, 248304), (3695, 232176), (4146, 206920), (4434, 193480), (4837, 177360), (5173, 165840), (5528, 155190), (5912, 145110), (6910, 124152), (7390, 116088), (8292, 103460), (8868, 96740), (9674, 88680), (10346, 82920), (10365, 82768), (11056, 77595), (11085, 77392), (11824, 72555), (13820, 62076), (14511, 59120), (14780, 58044), (15519, 55280), (16584, 51730), (17736, 48370), (19348, 44340), (20692, 41460), (20730, 41384), (22170, 38696), (24185, 35472), (25865, 33168), (27640, 31038), (29022, 29560)]