20760810

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 96

約数和(自身を含む): 60082560

約数和(自身を除く): 39321750

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 49, 58, 70, 87, 98, 105, 145, 147, 174, 203, 210, 245, 290, 294, 406, 435, 487, 490, 609, 735, 870, 974, 1015, 1218, 1421, 1461, 1470, 2030, 2435, 2842, 2922, 3045, 3409, 4263, 4870, 6090, 6818, 7105, 7305, 8526, 10227, 14123, 14210, 14610, 17045, 20454, 21315, 23863, 28246, 34090, 42369, 42630, 47726, 51135, 70615, 71589, 84738, 98861, 102270, 119315, 141230, 143178, 197722, 211845, 238630, 296583, 357945, 423690, 494305, 593166, 692027, 715890, 988610, 1384054, 1482915, 2076081, 2965830, 3460135, 4152162, 6920270, 10380405, 20760810]

約数ペア:

[(1, 20760810), (2, 10380405), (3, 6920270), (5, 4152162), (6, 3460135), (7, 2965830), (10, 2076081), (14, 1482915), (15, 1384054), (21, 988610), (29, 715890), (30, 692027), (35, 593166), (42, 494305), (49, 423690), (58, 357945), (70, 296583), (87, 238630), (98, 211845), (105, 197722), (145, 143178), (147, 141230), (174, 119315), (203, 102270), (210, 98861), (245, 84738), (290, 71589), (294, 70615), (406, 51135), (435, 47726), (487, 42630), (490, 42369), (609, 34090), (735, 28246), (870, 23863), (974, 21315), (1015, 20454), (1218, 17045), (1421, 14610), (1461, 14210), (1470, 14123), (2030, 10227), (2435, 8526), (2842, 7305), (2922, 7105), (3045, 6818), (3409, 6090), (4263, 4870)]