71722980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{56923}}^1$

素因数の和:56945

約数の個数: 72

約数和(自身を含む): 248644032

約数和(自身を除く): 176921052

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 56923, 113846, 170769, 227692, 284615, 341538, 398461, 512307, 569230, 683076, 796922, 853845, 1024614, 1138460, 1195383, 1593844, 1707690, 1992305, 2049228, 2390766, 2561535, 3415380, 3586149, 3984610, 4781532, 5123070, 5976915, 7172298, 7969220, 10246140, 11953830, 14344596, 17930745, 23907660, 35861490, 71722980]

約数ペア:

[(1, 71722980), (2, 35861490), (3, 23907660), (4, 17930745), (5, 14344596), (6, 11953830), (7, 10246140), (9, 7969220), (10, 7172298), (12, 5976915), (14, 5123070), (15, 4781532), (18, 3984610), (20, 3586149), (21, 3415380), (28, 2561535), (30, 2390766), (35, 2049228), (36, 1992305), (42, 1707690), (45, 1593844), (60, 1195383), (63, 1138460), (70, 1024614), (84, 853845), (90, 796922), (105, 683076), (126, 569230), (140, 512307), (180, 398461), (210, 341538), (252, 284615), (315, 227692), (420, 170769), (630, 113846), (1260, 56923)]