180502020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1663}}^1$

素因数の和:1751

約数の個数: 120

約数和(自身を含む): 575038464

約数和(自身を除く): 394536444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 201, 268, 270, 324, 335, 402, 405, 540, 603, 670, 804, 810, 1005, 1206, 1340, 1620, 1663, 1809, 2010, 2412, 3015, 3326, 3618, 4020, 4989, 5427, 6030, 6652, 7236, 8315, 9045, 9978, 10854, 12060, 14967, 16630, 18090, 19956, 21708, 24945, 27135, 29934, 33260, 36180, 44901, 49890, 54270, 59868, 74835, 89802, 99780, 108540, 111421, 134703, 149670, 179604, 222842, 224505, 269406, 299340, 334263, 445684, 449010, 538812, 557105, 668526, 673515, 898020, 1002789, 1114210, 1337052, 1347030, 1671315, 2005578, 2228420, 2694060, 3008367, 3342630, 4011156, 5013945, 6016734, 6685260, 9025101, 10027890, 12033468, 15041835, 18050202, 20055780, 30083670, 36100404, 45125505, 60167340, 90251010, 180502020]

約数ペア:

[(1, 180502020), (2, 90251010), (3, 60167340), (4, 45125505), (5, 36100404), (6, 30083670), (9, 20055780), (10, 18050202), (12, 15041835), (15, 12033468), (18, 10027890), (20, 9025101), (27, 6685260), (30, 6016734), (36, 5013945), (45, 4011156), (54, 3342630), (60, 3008367), (67, 2694060), (81, 2228420), (90, 2005578), (108, 1671315), (134, 1347030), (135, 1337052), (162, 1114210), (180, 1002789), (201, 898020), (268, 673515), (270, 668526), (324, 557105), (335, 538812), (402, 449010), (405, 445684), (540, 334263), (603, 299340), (670, 269406), (804, 224505), (810, 222842), (1005, 179604), (1206, 149670), (1340, 134703), (1620, 111421), (1663, 108540), (1809, 99780), (2010, 89802), (2412, 74835), (3015, 59868), (3326, 54270), (3618, 49890), (4020, 44901), (4989, 36180), (5427, 33260), (6030, 29934), (6652, 27135), (7236, 24945), (8315, 21708), (9045, 19956), (9978, 18090), (10854, 16630), (12060, 14967)]