254006760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4259}}^1$

素因数の和:4351

約数の個数: 128

約数和(自身を含む): 883353600

約数和(自身を除く): 629346840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4259, 4260, 4970, 5964, 7455, 8518, 8520, 9940, 11928, 12777, 14910, 17036, 19880, 21295, 25554, 29813, 29820, 34072, 42590, 51108, 59626, 59640, 63885, 85180, 89439, 102216, 119252, 127770, 149065, 170360, 178878, 238504, 255540, 298130, 302389, 357756, 447195, 511080, 596260, 604778, 715512, 894390, 907167, 1192520, 1209556, 1511945, 1788780, 1814334, 2116723, 2419112, 3023890, 3577560, 3628668, 4233446, 4535835, 6047780, 6350169, 7257336, 8466892, 9071670, 10583615, 12095560, 12700338, 16933784, 18143340, 21167230, 25400676, 31750845, 36286680, 42334460, 50801352, 63501690, 84668920, 127003380, 254006760]

約数ペア:

[(1, 254006760), (2, 127003380), (3, 84668920), (4, 63501690), (5, 50801352), (6, 42334460), (7, 36286680), (8, 31750845), (10, 25400676), (12, 21167230), (14, 18143340), (15, 16933784), (20, 12700338), (21, 12095560), (24, 10583615), (28, 9071670), (30, 8466892), (35, 7257336), (40, 6350169), (42, 6047780), (56, 4535835), (60, 4233446), (70, 3628668), (71, 3577560), (84, 3023890), (105, 2419112), (120, 2116723), (140, 1814334), (142, 1788780), (168, 1511945), (210, 1209556), (213, 1192520), (280, 907167), (284, 894390), (355, 715512), (420, 604778), (426, 596260), (497, 511080), (568, 447195), (710, 357756), (840, 302389), (852, 298130), (994, 255540), (1065, 238504), (1420, 178878), (1491, 170360), (1704, 149065), (1988, 127770), (2130, 119252), (2485, 102216), (2840, 89439), (2982, 85180), (3976, 63885), (4259, 59640), (4260, 59626), (4970, 51108), (5964, 42590), (7455, 34072), (8518, 29820), (8520, 29813), (9940, 25554), (11928, 21295), (12777, 19880), (14910, 17036)]