78683640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2061

約数の個数: 128

約数和(自身を含む): 275650560

約数和(自身を除く): 196966920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 47, 56, 60, 70, 84, 94, 105, 120, 140, 141, 168, 188, 210, 235, 280, 282, 329, 376, 420, 470, 564, 658, 705, 840, 940, 987, 1128, 1316, 1410, 1645, 1880, 1974, 1993, 2632, 2820, 3290, 3948, 3986, 4935, 5640, 5979, 6580, 7896, 7972, 9870, 9965, 11958, 13160, 13951, 15944, 19740, 19930, 23916, 27902, 29895, 39480, 39860, 41853, 47832, 55804, 59790, 69755, 79720, 83706, 93671, 111608, 119580, 139510, 167412, 187342, 209265, 239160, 279020, 281013, 334824, 374684, 418530, 468355, 558040, 562026, 655697, 749368, 837060, 936710, 1124052, 1311394, 1405065, 1674120, 1873420, 1967091, 2248104, 2622788, 2810130, 3278485, 3746840, 3934182, 5245576, 5620260, 6556970, 7868364, 9835455, 11240520, 13113940, 15736728, 19670910, 26227880, 39341820, 78683640]

約数ペア:

[(1, 78683640), (2, 39341820), (3, 26227880), (4, 19670910), (5, 15736728), (6, 13113940), (7, 11240520), (8, 9835455), (10, 7868364), (12, 6556970), (14, 5620260), (15, 5245576), (20, 3934182), (21, 3746840), (24, 3278485), (28, 2810130), (30, 2622788), (35, 2248104), (40, 1967091), (42, 1873420), (47, 1674120), (56, 1405065), (60, 1311394), (70, 1124052), (84, 936710), (94, 837060), (105, 749368), (120, 655697), (140, 562026), (141, 558040), (168, 468355), (188, 418530), (210, 374684), (235, 334824), (280, 281013), (282, 279020), (329, 239160), (376, 209265), (420, 187342), (470, 167412), (564, 139510), (658, 119580), (705, 111608), (840, 93671), (940, 83706), (987, 79720), (1128, 69755), (1316, 59790), (1410, 55804), (1645, 47832), (1880, 41853), (1974, 39860), (1993, 39480), (2632, 29895), (2820, 27902), (3290, 23916), (3948, 19930), (3986, 19740), (4935, 15944), (5640, 13951), (5979, 13160), (6580, 11958), (7896, 9965), (7972, 9870)]