51435720

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{20411}}^1$

素因数の和:20435

約数の個数: 96

約数和(自身を含む): 191056320

約数和(自身を除く): 139620600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 20411, 40822, 61233, 81644, 102055, 122466, 142877, 163288, 183699, 204110, 244932, 285754, 306165, 367398, 408220, 428631, 489864, 571508, 612330, 714385, 734796, 816440, 857262, 918495, 1143016, 1224660, 1285893, 1428770, 1469592, 1714524, 1836990, 2143155, 2449320, 2571786, 2857540, 3429048, 3673980, 4286310, 5143572, 5715080, 6429465, 7347960, 8572620, 10287144, 12858930, 17145240, 25717860, 51435720]

約数ペア:

[(1, 51435720), (2, 25717860), (3, 17145240), (4, 12858930), (5, 10287144), (6, 8572620), (7, 7347960), (8, 6429465), (9, 5715080), (10, 5143572), (12, 4286310), (14, 3673980), (15, 3429048), (18, 2857540), (20, 2571786), (21, 2449320), (24, 2143155), (28, 1836990), (30, 1714524), (35, 1469592), (36, 1428770), (40, 1285893), (42, 1224660), (45, 1143016), (56, 918495), (60, 857262), (63, 816440), (70, 734796), (72, 714385), (84, 612330), (90, 571508), (105, 489864), (120, 428631), (126, 408220), (140, 367398), (168, 306165), (180, 285754), (210, 244932), (252, 204110), (280, 183699), (315, 163288), (360, 142877), (420, 122466), (504, 102055), (630, 81644), (840, 61233), (1260, 40822), (2520, 20411)]