180128988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 516499200

約数和(自身を除く): 336370212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 71, 78, 108, 117, 139, 142, 156, 169, 213, 234, 278, 284, 338, 351, 417, 426, 468, 507, 556, 639, 676, 702, 834, 852, 923, 1014, 1251, 1278, 1404, 1521, 1668, 1807, 1846, 1917, 2028, 2502, 2556, 2769, 3042, 3614, 3692, 3753, 3834, 4563, 5004, 5421, 5538, 6084, 7228, 7506, 7668, 8307, 9126, 9869, 10842, 11076, 11999, 15012, 16263, 16614, 18252, 19738, 21684, 23491, 23998, 24921, 29607, 32526, 33228, 35997, 39476, 46982, 47996, 48789, 49842, 59214, 65052, 70473, 71994, 88821, 93964, 97578, 99684, 107991, 118428, 128297, 140946, 143988, 177642, 195156, 211419, 215982, 256594, 266463, 281892, 323973, 355284, 384891, 422838, 431964, 513188, 532926, 634257, 647946, 769782, 845676, 1065852, 1154673, 1268514, 1295892, 1539564, 1667861, 2309346, 2537028, 3335722, 3464019, 4618692, 5003583, 6671444, 6928038, 10007166, 13856076, 15010749, 20014332, 30021498, 45032247, 60042996, 90064494, 180128988]

約数ペア:

[(1, 180128988), (2, 90064494), (3, 60042996), (4, 45032247), (6, 30021498), (9, 20014332), (12, 15010749), (13, 13856076), (18, 10007166), (26, 6928038), (27, 6671444), (36, 5003583), (39, 4618692), (52, 3464019), (54, 3335722), (71, 2537028), (78, 2309346), (108, 1667861), (117, 1539564), (139, 1295892), (142, 1268514), (156, 1154673), (169, 1065852), (213, 845676), (234, 769782), (278, 647946), (284, 634257), (338, 532926), (351, 513188), (417, 431964), (426, 422838), (468, 384891), (507, 355284), (556, 323973), (639, 281892), (676, 266463), (702, 256594), (834, 215982), (852, 211419), (923, 195156), (1014, 177642), (1251, 143988), (1278, 140946), (1404, 128297), (1521, 118428), (1668, 107991), (1807, 99684), (1846, 97578), (1917, 93964), (2028, 88821), (2502, 71994), (2556, 70473), (2769, 65052), (3042, 59214), (3614, 49842), (3692, 48789), (3753, 47996), (3834, 46982), (4563, 39476), (5004, 35997), (5421, 33228), (5538, 32526), (6084, 29607), (7228, 24921), (7506, 23998), (7668, 23491), (8307, 21684), (9126, 19738), (9869, 18252), (10842, 16614), (11076, 16263), (11999, 15012)]