56778540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10399}}^1$

素因数の和:10431

約数の個数: 96

約数和(自身を含む): 195686400

約数和(自身を除く): 138907860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 5460, 10399, 20798, 31197, 41596, 51995, 62394, 72793, 103990, 124788, 135187, 145586, 155985, 207980, 218379, 270374, 291172, 311970, 363965, 405561, 436758, 540748, 623940, 675935, 727930, 811122, 873516, 946309, 1091895, 1351870, 1455860, 1622244, 1892618, 2027805, 2183790, 2703740, 2838927, 3785236, 4055610, 4367580, 4731545, 5677854, 8111220, 9463090, 11355708, 14194635, 18926180, 28389270, 56778540]

約数ペア:

[(1, 56778540), (2, 28389270), (3, 18926180), (4, 14194635), (5, 11355708), (6, 9463090), (7, 8111220), (10, 5677854), (12, 4731545), (13, 4367580), (14, 4055610), (15, 3785236), (20, 2838927), (21, 2703740), (26, 2183790), (28, 2027805), (30, 1892618), (35, 1622244), (39, 1455860), (42, 1351870), (52, 1091895), (60, 946309), (65, 873516), (70, 811122), (78, 727930), (84, 675935), (91, 623940), (105, 540748), (130, 436758), (140, 405561), (156, 363965), (182, 311970), (195, 291172), (210, 270374), (260, 218379), (273, 207980), (364, 155985), (390, 145586), (420, 135187), (455, 124788), (546, 103990), (780, 72793), (910, 62394), (1092, 51995), (1365, 41596), (1820, 31197), (2730, 20798), (5460, 10399)]