215286540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1949}}^1$

素因数の和:2231

約数の個数: 96

約数和(自身を含む): 691891200

約数和(自身を除く): 476604660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 263, 420, 526, 789, 1052, 1315, 1578, 1841, 1949, 2630, 3156, 3682, 3898, 3945, 5260, 5523, 5847, 7364, 7796, 7890, 9205, 9745, 11046, 11694, 13643, 15780, 18410, 19490, 22092, 23388, 27286, 27615, 29235, 36820, 38980, 40929, 54572, 55230, 58470, 68215, 81858, 110460, 116940, 136430, 163716, 204645, 272860, 409290, 512587, 818580, 1025174, 1537761, 2050348, 2562935, 3075522, 3588109, 5125870, 6151044, 7176218, 7688805, 10251740, 10764327, 14352436, 15377610, 17940545, 21528654, 30755220, 35881090, 43057308, 53821635, 71762180, 107643270, 215286540]

約数ペア:

[(1, 215286540), (2, 107643270), (3, 71762180), (4, 53821635), (5, 43057308), (6, 35881090), (7, 30755220), (10, 21528654), (12, 17940545), (14, 15377610), (15, 14352436), (20, 10764327), (21, 10251740), (28, 7688805), (30, 7176218), (35, 6151044), (42, 5125870), (60, 3588109), (70, 3075522), (84, 2562935), (105, 2050348), (140, 1537761), (210, 1025174), (263, 818580), (420, 512587), (526, 409290), (789, 272860), (1052, 204645), (1315, 163716), (1578, 136430), (1841, 116940), (1949, 110460), (2630, 81858), (3156, 68215), (3682, 58470), (3898, 55230), (3945, 54572), (5260, 40929), (5523, 38980), (5847, 36820), (7364, 29235), (7796, 27615), (7890, 27286), (9205, 23388), (9745, 22092), (11046, 19490), (11694, 18410), (13643, 15780)]