139647480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{166247}}^1$

素因数の和:166268

約数の個数: 64

約数和(自身を含む): 478794240

約数和(自身を除く): 339146760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 166247, 332494, 498741, 664988, 831235, 997482, 1163729, 1329976, 1662470, 1994964, 2327458, 2493705, 3324940, 3491187, 3989928, 4654916, 4987410, 5818645, 6649880, 6982374, 9309832, 9974820, 11637290, 13964748, 17455935, 19949640, 23274580, 27929496, 34911870, 46549160, 69823740, 139647480]

約数ペア:

[(1, 139647480), (2, 69823740), (3, 46549160), (4, 34911870), (5, 27929496), (6, 23274580), (7, 19949640), (8, 17455935), (10, 13964748), (12, 11637290), (14, 9974820), (15, 9309832), (20, 6982374), (21, 6649880), (24, 5818645), (28, 4987410), (30, 4654916), (35, 3989928), (40, 3491187), (42, 3324940), (56, 2493705), (60, 2327458), (70, 1994964), (84, 1662470), (105, 1329976), (120, 1163729), (140, 997482), (168, 831235), (210, 664988), (280, 498741), (420, 332494), (840, 166247)]