154417620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1070

約数の個数: 144

約数和(自身を含む): 512967168

約数和(自身を除く): 358549548

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 53, 60, 70, 84, 98, 105, 106, 140, 147, 159, 196, 210, 212, 245, 265, 294, 318, 371, 420, 490, 530, 588, 636, 735, 742, 795, 980, 991, 1060, 1113, 1470, 1484, 1590, 1855, 1982, 2226, 2597, 2940, 2973, 3180, 3710, 3964, 4452, 4955, 5194, 5565, 5946, 6937, 7420, 7791, 9910, 10388, 11130, 11892, 12985, 13874, 14865, 15582, 19820, 20811, 22260, 25970, 27748, 29730, 31164, 34685, 38955, 41622, 48559, 51940, 52523, 59460, 69370, 77910, 83244, 97118, 104055, 105046, 138740, 145677, 155820, 157569, 194236, 208110, 210092, 242795, 262615, 291354, 315138, 367661, 416220, 485590, 525230, 582708, 630276, 728385, 735322, 787845, 971180, 1050460, 1102983, 1456770, 1470644, 1575690, 1838305, 2205966, 2573627, 2913540, 3151380, 3676610, 4411932, 5147254, 5514915, 7353220, 7720881, 10294508, 11029830, 12868135, 15441762, 22059660, 25736270, 30883524, 38604405, 51472540, 77208810, 154417620]

約数ペア:

[(1, 154417620), (2, 77208810), (3, 51472540), (4, 38604405), (5, 30883524), (6, 25736270), (7, 22059660), (10, 15441762), (12, 12868135), (14, 11029830), (15, 10294508), (20, 7720881), (21, 7353220), (28, 5514915), (30, 5147254), (35, 4411932), (42, 3676610), (49, 3151380), (53, 2913540), (60, 2573627), (70, 2205966), (84, 1838305), (98, 1575690), (105, 1470644), (106, 1456770), (140, 1102983), (147, 1050460), (159, 971180), (196, 787845), (210, 735322), (212, 728385), (245, 630276), (265, 582708), (294, 525230), (318, 485590), (371, 416220), (420, 367661), (490, 315138), (530, 291354), (588, 262615), (636, 242795), (735, 210092), (742, 208110), (795, 194236), (980, 157569), (991, 155820), (1060, 145677), (1113, 138740), (1470, 105046), (1484, 104055), (1590, 97118), (1855, 83244), (1982, 77910), (2226, 69370), (2597, 59460), (2940, 52523), (2973, 51940), (3180, 48559), (3710, 41622), (3964, 38955), (4452, 34685), (4955, 31164), (5194, 29730), (5565, 27748), (5946, 25970), (6937, 22260), (7420, 20811), (7791, 19820), (9910, 15582), (10388, 14865), (11130, 13874), (11892, 12985)]