78859620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{8941}}^1$

素因数の和:8970

約数の個数: 108

約数和(自身を含む): 278292924

約数和(自身を除く): 199433304

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 8941, 17882, 26823, 35764, 44705, 53646, 62587, 80469, 89410, 107292, 125174, 134115, 160938, 178820, 187761, 250348, 268230, 312935, 321876, 375522, 402345, 438109, 536460, 563283, 625870, 751044, 804690, 876218, 938805, 1126566, 1251740, 1314327, 1609380, 1752436, 1877610, 2190545, 2253132, 2628654, 2816415, 3755220, 3942981, 4381090, 5257308, 5632830, 6571635, 7885962, 8762180, 11265660, 13143270, 15771924, 19714905, 26286540, 39429810, 78859620]

約数ペア:

[(1, 78859620), (2, 39429810), (3, 26286540), (4, 19714905), (5, 15771924), (6, 13143270), (7, 11265660), (9, 8762180), (10, 7885962), (12, 6571635), (14, 5632830), (15, 5257308), (18, 4381090), (20, 3942981), (21, 3755220), (28, 2816415), (30, 2628654), (35, 2253132), (36, 2190545), (42, 1877610), (45, 1752436), (49, 1609380), (60, 1314327), (63, 1251740), (70, 1126566), (84, 938805), (90, 876218), (98, 804690), (105, 751044), (126, 625870), (140, 563283), (147, 536460), (180, 438109), (196, 402345), (210, 375522), (245, 321876), (252, 312935), (294, 268230), (315, 250348), (420, 187761), (441, 178820), (490, 160938), (588, 134115), (630, 125174), (735, 107292), (882, 89410), (980, 80469), (1260, 62587), (1470, 53646), (1764, 44705), (2205, 35764), (2940, 26823), (4410, 17882), (8820, 8941)]