428632680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{7187}}^1$

素因数の和:7279

約数の個数: 128

約数和(自身を含む): 1490503680

約数和(自身を除く): 1061871000

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2485, 2840, 2982, 3976, 4260, 4970, 5964, 7187, 7455, 8520, 9940, 11928, 14374, 14910, 19880, 21561, 28748, 29820, 35935, 43122, 50309, 57496, 59640, 71870, 86244, 100618, 107805, 143740, 150927, 172488, 201236, 215610, 251545, 287480, 301854, 402472, 431220, 503090, 510277, 603708, 754635, 862440, 1006180, 1020554, 1207416, 1509270, 1530831, 2012360, 2041108, 2551385, 3018540, 3061662, 3571939, 4082216, 5102770, 6037080, 6123324, 7143878, 7654155, 10205540, 10715817, 12246648, 14287756, 15308310, 17859695, 20411080, 21431634, 28575512, 30616620, 35719390, 42863268, 53579085, 61233240, 71438780, 85726536, 107158170, 142877560, 214316340, 428632680]

約数ペア:

[(1, 428632680), (2, 214316340), (3, 142877560), (4, 107158170), (5, 85726536), (6, 71438780), (7, 61233240), (8, 53579085), (10, 42863268), (12, 35719390), (14, 30616620), (15, 28575512), (20, 21431634), (21, 20411080), (24, 17859695), (28, 15308310), (30, 14287756), (35, 12246648), (40, 10715817), (42, 10205540), (56, 7654155), (60, 7143878), (70, 6123324), (71, 6037080), (84, 5102770), (105, 4082216), (120, 3571939), (140, 3061662), (142, 3018540), (168, 2551385), (210, 2041108), (213, 2012360), (280, 1530831), (284, 1509270), (355, 1207416), (420, 1020554), (426, 1006180), (497, 862440), (568, 754635), (710, 603708), (840, 510277), (852, 503090), (994, 431220), (1065, 402472), (1420, 301854), (1491, 287480), (1704, 251545), (1988, 215610), (2130, 201236), (2485, 172488), (2840, 150927), (2982, 143740), (3976, 107805), (4260, 100618), (4970, 86244), (5964, 71870), (7187, 59640), (7455, 57496), (8520, 50309), (9940, 43122), (11928, 35935), (14374, 29820), (14910, 28748), (19880, 21561)]