69998460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:876

約数の個数: 144

約数和(自身を含む): 236144160

約数和(自身を除く): 166145700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 29, 30, 35, 42, 49, 58, 60, 70, 84, 87, 98, 105, 116, 140, 145, 147, 174, 196, 203, 210, 245, 290, 294, 348, 406, 420, 435, 490, 580, 588, 609, 735, 812, 821, 870, 980, 1015, 1218, 1421, 1470, 1642, 1740, 2030, 2436, 2463, 2842, 2940, 3045, 3284, 4060, 4105, 4263, 4926, 5684, 5747, 6090, 7105, 8210, 8526, 9852, 11494, 12180, 12315, 14210, 16420, 17052, 17241, 21315, 22988, 23809, 24630, 28420, 28735, 34482, 40229, 42630, 47618, 49260, 57470, 68964, 71427, 80458, 85260, 86205, 95236, 114940, 119045, 120687, 142854, 160916, 166663, 172410, 201145, 238090, 241374, 285708, 333326, 344820, 357135, 402290, 476180, 482748, 499989, 603435, 666652, 714270, 804580, 833315, 999978, 1166641, 1206870, 1428540, 1666630, 1999956, 2333282, 2413740, 2499945, 3333260, 3499923, 4666564, 4999890, 5833205, 6999846, 9999780, 11666410, 13999692, 17499615, 23332820, 34999230, 69998460]

約数ペア:

[(1, 69998460), (2, 34999230), (3, 23332820), (4, 17499615), (5, 13999692), (6, 11666410), (7, 9999780), (10, 6999846), (12, 5833205), (14, 4999890), (15, 4666564), (20, 3499923), (21, 3333260), (28, 2499945), (29, 2413740), (30, 2333282), (35, 1999956), (42, 1666630), (49, 1428540), (58, 1206870), (60, 1166641), (70, 999978), (84, 833315), (87, 804580), (98, 714270), (105, 666652), (116, 603435), (140, 499989), (145, 482748), (147, 476180), (174, 402290), (196, 357135), (203, 344820), (210, 333326), (245, 285708), (290, 241374), (294, 238090), (348, 201145), (406, 172410), (420, 166663), (435, 160916), (490, 142854), (580, 120687), (588, 119045), (609, 114940), (735, 95236), (812, 86205), (821, 85260), (870, 80458), (980, 71427), (1015, 68964), (1218, 57470), (1421, 49260), (1470, 47618), (1642, 42630), (1740, 40229), (2030, 34482), (2436, 28735), (2463, 28420), (2842, 24630), (2940, 23809), (3045, 22988), (3284, 21315), (4060, 17241), (4105, 17052), (4263, 16420), (4926, 14210), (5684, 12315), (5747, 12180), (6090, 11494), (7105, 9852), (8210, 8526)]