68541720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1$

素因数の和:909

約数の個数: 128

約数和(自身を含む): 225892800

約数和(自身を除く): 157351080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 829, 1060, 1272, 1378, 1560, 1590, 1658, 2067, 2120, 2487, 2756, 3180, 3316, 3445, 4134, 4145, 4974, 5512, 6360, 6632, 6890, 8268, 8290, 9948, 10335, 10777, 12435, 13780, 16536, 16580, 19896, 20670, 21554, 24870, 27560, 32331, 33160, 41340, 43108, 43937, 49740, 53885, 64662, 82680, 86216, 87874, 99480, 107770, 129324, 131811, 161655, 175748, 215540, 219685, 258648, 263622, 323310, 351496, 431080, 439370, 527244, 571181, 646620, 659055, 878740, 1054488, 1142362, 1293240, 1318110, 1713543, 1757480, 2284724, 2636220, 2855905, 3427086, 4569448, 5272440, 5711810, 6854172, 8567715, 11423620, 13708344, 17135430, 22847240, 34270860, 68541720]

約数ペア:

[(1, 68541720), (2, 34270860), (3, 22847240), (4, 17135430), (5, 13708344), (6, 11423620), (8, 8567715), (10, 6854172), (12, 5711810), (13, 5272440), (15, 4569448), (20, 3427086), (24, 2855905), (26, 2636220), (30, 2284724), (39, 1757480), (40, 1713543), (52, 1318110), (53, 1293240), (60, 1142362), (65, 1054488), (78, 878740), (104, 659055), (106, 646620), (120, 571181), (130, 527244), (156, 439370), (159, 431080), (195, 351496), (212, 323310), (260, 263622), (265, 258648), (312, 219685), (318, 215540), (390, 175748), (424, 161655), (520, 131811), (530, 129324), (636, 107770), (689, 99480), (780, 87874), (795, 86216), (829, 82680), (1060, 64662), (1272, 53885), (1378, 49740), (1560, 43937), (1590, 43108), (1658, 41340), (2067, 33160), (2120, 32331), (2487, 27560), (2756, 24870), (3180, 21554), (3316, 20670), (3445, 19896), (4134, 16580), (4145, 16536), (4974, 13780), (5512, 12435), (6360, 10777), (6632, 10335), (6890, 9948), (8268, 8290)]