28307160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 192

約数和(自身を含む): 107827200

約数和(自身を除く): 79520040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 47, 56, 60, 63, 70, 72, 84, 90, 94, 105, 120, 126, 140, 141, 168, 180, 188, 210, 235, 239, 252, 280, 282, 315, 329, 360, 376, 420, 423, 470, 478, 504, 564, 630, 658, 705, 717, 840, 846, 940, 956, 987, 1128, 1195, 1260, 1316, 1410, 1434, 1645, 1673, 1692, 1880, 1912, 1974, 2115, 2151, 2390, 2520, 2632, 2820, 2868, 2961, 3290, 3346, 3384, 3585, 3948, 4230, 4302, 4780, 4935, 5019, 5640, 5736, 5922, 6580, 6692, 7170, 7896, 8365, 8460, 8604, 9560, 9870, 10038, 10755, 11233, 11844, 13160, 13384, 14340, 14805, 15057, 16730, 16920, 17208, 19740, 20076, 21510, 22466, 23688, 25095, 28680, 29610, 30114, 33460, 33699, 39480, 40152, 43020, 44932, 50190, 56165, 59220, 60228, 66920, 67398, 75285, 78631, 86040, 89864, 100380, 101097, 112330, 118440, 120456, 134796, 150570, 157262, 168495, 200760, 202194, 224660, 235893, 269592, 301140, 314524, 336990, 393155, 404388, 449320, 471786, 505485, 602280, 629048, 673980, 707679, 786310, 808776, 943572, 1010970, 1179465, 1347960, 1415358, 1572620, 1887144, 2021940, 2358930, 2830716, 3145240, 3538395, 4043880, 4717860, 5661432, 7076790, 9435720, 14153580, 28307160]

約数ペア:

[(1, 28307160), (2, 14153580), (3, 9435720), (4, 7076790), (5, 5661432), (6, 4717860), (7, 4043880), (8, 3538395), (9, 3145240), (10, 2830716), (12, 2358930), (14, 2021940), (15, 1887144), (18, 1572620), (20, 1415358), (21, 1347960), (24, 1179465), (28, 1010970), (30, 943572), (35, 808776), (36, 786310), (40, 707679), (42, 673980), (45, 629048), (47, 602280), (56, 505485), (60, 471786), (63, 449320), (70, 404388), (72, 393155), (84, 336990), (90, 314524), (94, 301140), (105, 269592), (120, 235893), (126, 224660), (140, 202194), (141, 200760), (168, 168495), (180, 157262), (188, 150570), (210, 134796), (235, 120456), (239, 118440), (252, 112330), (280, 101097), (282, 100380), (315, 89864), (329, 86040), (360, 78631), (376, 75285), (420, 67398), (423, 66920), (470, 60228), (478, 59220), (504, 56165), (564, 50190), (630, 44932), (658, 43020), (705, 40152), (717, 39480), (840, 33699), (846, 33460), (940, 30114), (956, 29610), (987, 28680), (1128, 25095), (1195, 23688), (1260, 22466), (1316, 21510), (1410, 20076), (1434, 19740), (1645, 17208), (1673, 16920), (1692, 16730), (1880, 15057), (1912, 14805), (1974, 14340), (2115, 13384), (2151, 13160), (2390, 11844), (2520, 11233), (2632, 10755), (2820, 10038), (2868, 9870), (2961, 9560), (3290, 8604), (3346, 8460), (3384, 8365), (3585, 7896), (3948, 7170), (4230, 6692), (4302, 6580), (4780, 5922), (4935, 5736), (5019, 5640)]