51639840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:184

約数の個数: 288

約数和(自身を含む): 207567360

約数和(自身を除く): 155927520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 47, 48, 56, 60, 63, 70, 72, 80, 84, 90, 94, 96, 105, 109, 112, 120, 126, 140, 141, 144, 160, 168, 180, 188, 210, 218, 224, 235, 240, 252, 280, 282, 288, 315, 327, 329, 336, 360, 376, 420, 423, 436, 470, 480, 504, 545, 560, 564, 630, 654, 658, 672, 705, 720, 752, 763, 840, 846, 872, 940, 981, 987, 1008, 1090, 1120, 1128, 1260, 1308, 1316, 1410, 1440, 1504, 1526, 1635, 1645, 1680, 1692, 1744, 1880, 1962, 1974, 2016, 2115, 2180, 2256, 2289, 2520, 2616, 2632, 2820, 2961, 3052, 3270, 3290, 3360, 3384, 3488, 3760, 3815, 3924, 3948, 4230, 4360, 4512, 4578, 4905, 4935, 5040, 5123, 5232, 5264, 5640, 5922, 6104, 6540, 6580, 6768, 6867, 7520, 7630, 7848, 7896, 8460, 8720, 9156, 9810, 9870, 10080, 10246, 10464, 10528, 11280, 11445, 11844, 12208, 13080, 13160, 13536, 13734, 14805, 15260, 15369, 15696, 15792, 16920, 17440, 18312, 19620, 19740, 20492, 22560, 22890, 23688, 24416, 25615, 26160, 26320, 27468, 29610, 30520, 30738, 31392, 31584, 33840, 34335, 35861, 36624, 39240, 39480, 40984, 45780, 46107, 47376, 51230, 52320, 52640, 54936, 59220, 61040, 61476, 67680, 68670, 71722, 73248, 76845, 78480, 78960, 81968, 91560, 92214, 94752, 102460, 107583, 109872, 118440, 122080, 122952, 137340, 143444, 153690, 156960, 157920, 163936, 179305, 183120, 184428, 204920, 215166, 219744, 230535, 236880, 245904, 274680, 286888, 307380, 322749, 358610, 366240, 368856, 409840, 430332, 461070, 473760, 491808, 537915, 549360, 573776, 614760, 645498, 717220, 737712, 819680, 860664, 922140, 1075830, 1098720, 1147552, 1229520, 1290996, 1434440, 1475424, 1613745, 1721328, 1844280, 2151660, 2459040, 2581992, 2868880, 3227490, 3442656, 3688560, 4303320, 5163984, 5737760, 6454980, 7377120, 8606640, 10327968, 12909960, 17213280, 25819920, 51639840]

約数ペア:

[(1, 51639840), (2, 25819920), (3, 17213280), (4, 12909960), (5, 10327968), (6, 8606640), (7, 7377120), (8, 6454980), (9, 5737760), (10, 5163984), (12, 4303320), (14, 3688560), (15, 3442656), (16, 3227490), (18, 2868880), (20, 2581992), (21, 2459040), (24, 2151660), (28, 1844280), (30, 1721328), (32, 1613745), (35, 1475424), (36, 1434440), (40, 1290996), (42, 1229520), (45, 1147552), (47, 1098720), (48, 1075830), (56, 922140), (60, 860664), (63, 819680), (70, 737712), (72, 717220), (80, 645498), (84, 614760), (90, 573776), (94, 549360), (96, 537915), (105, 491808), (109, 473760), (112, 461070), (120, 430332), (126, 409840), (140, 368856), (141, 366240), (144, 358610), (160, 322749), (168, 307380), (180, 286888), (188, 274680), (210, 245904), (218, 236880), (224, 230535), (235, 219744), (240, 215166), (252, 204920), (280, 184428), (282, 183120), (288, 179305), (315, 163936), (327, 157920), (329, 156960), (336, 153690), (360, 143444), (376, 137340), (420, 122952), (423, 122080), (436, 118440), (470, 109872), (480, 107583), (504, 102460), (545, 94752), (560, 92214), (564, 91560), (630, 81968), (654, 78960), (658, 78480), (672, 76845), (705, 73248), (720, 71722), (752, 68670), (763, 67680), (840, 61476), (846, 61040), (872, 59220), (940, 54936), (981, 52640), (987, 52320), (1008, 51230), (1090, 47376), (1120, 46107), (1128, 45780), (1260, 40984), (1308, 39480), (1316, 39240), (1410, 36624), (1440, 35861), (1504, 34335), (1526, 33840), (1635, 31584), (1645, 31392), (1680, 30738), (1692, 30520), (1744, 29610), (1880, 27468), (1962, 26320), (1974, 26160), (2016, 25615), (2115, 24416), (2180, 23688), (2256, 22890), (2289, 22560), (2520, 20492), (2616, 19740), (2632, 19620), (2820, 18312), (2961, 17440), (3052, 16920), (3270, 15792), (3290, 15696), (3360, 15369), (3384, 15260), (3488, 14805), (3760, 13734), (3815, 13536), (3924, 13160), (3948, 13080), (4230, 12208), (4360, 11844), (4512, 11445), (4578, 11280), (4905, 10528), (4935, 10464), (5040, 10246), (5123, 10080), (5232, 9870), (5264, 9810), (5640, 9156), (5922, 8720), (6104, 8460), (6540, 7896), (6580, 7848), (6768, 7630), (6867, 7520)]