15709967420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{32917}}^1$

素因数の和:33427

約数の個数: 72

約数和(自身を含む): 38457177696

約数和(自身を除く): 22747210276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 487, 490, 974, 980, 1948, 2435, 3409, 4870, 6818, 9740, 13636, 17045, 23863, 32917, 34090, 47726, 65834, 68180, 95452, 119315, 131668, 164585, 230419, 238630, 329170, 460838, 477260, 658340, 921676, 1152095, 1612933, 2304190, 3225866, 4608380, 6451732, 8064665, 16030579, 16129330, 32061158, 32258660, 64122316, 80152895, 112214053, 160305790, 224428106, 320611580, 448856212, 561070265, 785498371, 1122140530, 1570996742, 2244281060, 3141993484, 3927491855, 7854983710, 15709967420]

約数ペア:

[(1, 15709967420), (2, 7854983710), (4, 3927491855), (5, 3141993484), (7, 2244281060), (10, 1570996742), (14, 1122140530), (20, 785498371), (28, 561070265), (35, 448856212), (49, 320611580), (70, 224428106), (98, 160305790), (140, 112214053), (196, 80152895), (245, 64122316), (487, 32258660), (490, 32061158), (974, 16129330), (980, 16030579), (1948, 8064665), (2435, 6451732), (3409, 4608380), (4870, 3225866), (6818, 2304190), (9740, 1612933), (13636, 1152095), (17045, 921676), (23863, 658340), (32917, 477260), (34090, 460838), (47726, 329170), (65834, 238630), (68180, 230419), (95452, 164585), (119315, 131668)]