1901517420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{261917}}^1$

素因数の和:261951

約数の個数: 72

約数和(自身を含む): 5852295792

約数和(自身を除く): 3950778372

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 3630, 7260, 261917, 523834, 785751, 1047668, 1309585, 1571502, 2619170, 2881087, 3143004, 3928755, 5238340, 5762174, 7857510, 8643261, 11524348, 14405435, 15715020, 17286522, 28810870, 31691957, 34573044, 43216305, 57621740, 63383914, 86432610, 95075871, 126767828, 158459785, 172865220, 190151742, 316919570, 380303484, 475379355, 633839140, 950758710, 1901517420]

約数ペア:

[(1, 1901517420), (2, 950758710), (3, 633839140), (4, 475379355), (5, 380303484), (6, 316919570), (10, 190151742), (11, 172865220), (12, 158459785), (15, 126767828), (20, 95075871), (22, 86432610), (30, 63383914), (33, 57621740), (44, 43216305), (55, 34573044), (60, 31691957), (66, 28810870), (110, 17286522), (121, 15715020), (132, 14405435), (165, 11524348), (220, 8643261), (242, 7857510), (330, 5762174), (363, 5238340), (484, 3928755), (605, 3143004), (660, 2881087), (726, 2619170), (1210, 1571502), (1452, 1309585), (1815, 1047668), (2420, 785751), (3630, 523834), (7260, 261917)]