1819020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 96

約数和(自身を含む): 5999616

約数和(自身を除く): 4180596

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 71, 84, 105, 122, 140, 142, 183, 210, 213, 244, 284, 305, 355, 366, 420, 426, 427, 497, 610, 710, 732, 852, 854, 915, 994, 1065, 1220, 1281, 1420, 1491, 1708, 1830, 1988, 2130, 2135, 2485, 2562, 2982, 3660, 4260, 4270, 4331, 4970, 5124, 5964, 6405, 7455, 8540, 8662, 9940, 12810, 12993, 14910, 17324, 21655, 25620, 25986, 29820, 30317, 43310, 51972, 60634, 64965, 86620, 90951, 121268, 129930, 151585, 181902, 259860, 303170, 363804, 454755, 606340, 909510, 1819020]

約数ペア:

[(1, 1819020), (2, 909510), (3, 606340), (4, 454755), (5, 363804), (6, 303170), (7, 259860), (10, 181902), (12, 151585), (14, 129930), (15, 121268), (20, 90951), (21, 86620), (28, 64965), (30, 60634), (35, 51972), (42, 43310), (60, 30317), (61, 29820), (70, 25986), (71, 25620), (84, 21655), (105, 17324), (122, 14910), (140, 12993), (142, 12810), (183, 9940), (210, 8662), (213, 8540), (244, 7455), (284, 6405), (305, 5964), (355, 5124), (366, 4970), (420, 4331), (426, 4270), (427, 4260), (497, 3660), (610, 2982), (710, 2562), (732, 2485), (852, 2135), (854, 2130), (915, 1988), (994, 1830), (1065, 1708), (1220, 1491), (1281, 1420)]