161963340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3187}}^1$

素因数の和:3228

約数の個数: 144

約数和(自身を含む): 569861376

約数和(自身を除く): 407898036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3187, 3388, 3630, 4235, 4620, 5082, 6374, 7260, 8470, 9561, 10164, 12705, 12748, 15935, 16940, 19122, 22309, 25410, 31870, 35057, 38244, 44618, 47805, 50820, 63740, 66927, 70114, 89236, 95610, 105171, 111545, 133854, 140228, 175285, 191220, 210342, 223090, 245399, 267708, 334635, 350570, 385627, 420684, 446180, 490798, 525855, 669270, 701140, 736197, 771254, 981596, 1051710, 1156881, 1226995, 1338540, 1472394, 1542508, 1928135, 2103420, 2313762, 2453990, 2699389, 2944788, 3680985, 3856270, 4627524, 4907980, 5398778, 5784405, 7361970, 7712540, 8098167, 10797556, 11568810, 13496945, 14723940, 16196334, 23137620, 26993890, 32392668, 40490835, 53987780, 80981670, 161963340]

約数ペア:

[(1, 161963340), (2, 80981670), (3, 53987780), (4, 40490835), (5, 32392668), (6, 26993890), (7, 23137620), (10, 16196334), (11, 14723940), (12, 13496945), (14, 11568810), (15, 10797556), (20, 8098167), (21, 7712540), (22, 7361970), (28, 5784405), (30, 5398778), (33, 4907980), (35, 4627524), (42, 3856270), (44, 3680985), (55, 2944788), (60, 2699389), (66, 2453990), (70, 2313762), (77, 2103420), (84, 1928135), (105, 1542508), (110, 1472394), (121, 1338540), (132, 1226995), (140, 1156881), (154, 1051710), (165, 981596), (210, 771254), (220, 736197), (231, 701140), (242, 669270), (308, 525855), (330, 490798), (363, 446180), (385, 420684), (420, 385627), (462, 350570), (484, 334635), (605, 267708), (660, 245399), (726, 223090), (770, 210342), (847, 191220), (924, 175285), (1155, 140228), (1210, 133854), (1452, 111545), (1540, 105171), (1694, 95610), (1815, 89236), (2310, 70114), (2420, 66927), (2541, 63740), (3187, 50820), (3388, 47805), (3630, 44618), (4235, 38244), (4620, 35057), (5082, 31870), (6374, 25410), (7260, 22309), (8470, 19122), (9561, 16940), (10164, 15935), (12705, 12748)]