19776240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{227}}^1$

素因数の和:268

約数の個数: 180

約数和(自身を含む): 73323432

約数和(自身を除く): 53547192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 227, 240, 242, 264, 330, 360, 363, 396, 440, 454, 484, 495, 528, 605, 660, 681, 720, 726, 792, 880, 908, 968, 990, 1089, 1135, 1210, 1320, 1362, 1452, 1584, 1815, 1816, 1936, 1980, 2043, 2178, 2270, 2420, 2497, 2640, 2724, 2904, 3405, 3630, 3632, 3960, 4086, 4356, 4540, 4840, 4994, 5445, 5448, 5808, 6810, 7260, 7491, 7920, 8172, 8712, 9080, 9680, 9988, 10215, 10890, 10896, 12485, 13620, 14520, 14982, 16344, 17424, 18160, 19976, 20430, 21780, 22473, 24970, 27240, 27467, 29040, 29964, 32688, 37455, 39952, 40860, 43560, 44946, 49940, 54480, 54934, 59928, 74910, 81720, 82401, 87120, 89892, 99880, 109868, 112365, 119856, 137335, 149820, 163440, 164802, 179784, 199760, 219736, 224730, 247203, 274670, 299640, 329604, 359568, 412005, 439472, 449460, 494406, 549340, 599280, 659208, 824010, 898920, 988812, 1098680, 1236015, 1318416, 1648020, 1797840, 1977624, 2197360, 2472030, 3296040, 3955248, 4944060, 6592080, 9888120, 19776240]

約数ペア:

[(1, 19776240), (2, 9888120), (3, 6592080), (4, 4944060), (5, 3955248), (6, 3296040), (8, 2472030), (9, 2197360), (10, 1977624), (11, 1797840), (12, 1648020), (15, 1318416), (16, 1236015), (18, 1098680), (20, 988812), (22, 898920), (24, 824010), (30, 659208), (33, 599280), (36, 549340), (40, 494406), (44, 449460), (45, 439472), (48, 412005), (55, 359568), (60, 329604), (66, 299640), (72, 274670), (80, 247203), (88, 224730), (90, 219736), (99, 199760), (110, 179784), (120, 164802), (121, 163440), (132, 149820), (144, 137335), (165, 119856), (176, 112365), (180, 109868), (198, 99880), (220, 89892), (227, 87120), (240, 82401), (242, 81720), (264, 74910), (330, 59928), (360, 54934), (363, 54480), (396, 49940), (440, 44946), (454, 43560), (484, 40860), (495, 39952), (528, 37455), (605, 32688), (660, 29964), (681, 29040), (720, 27467), (726, 27240), (792, 24970), (880, 22473), (908, 21780), (968, 20430), (990, 19976), (1089, 18160), (1135, 17424), (1210, 16344), (1320, 14982), (1362, 14520), (1452, 13620), (1584, 12485), (1815, 10896), (1816, 10890), (1936, 10215), (1980, 9988), (2043, 9680), (2178, 9080), (2270, 8712), (2420, 8172), (2497, 7920), (2640, 7491), (2724, 7260), (2904, 6810), (3405, 5808), (3630, 5448), (3632, 5445), (3960, 4994), (4086, 4840), (4356, 4540)]