7818980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 96

約数和(自身を含む): 19686240

約数和(自身を除く): 11867260

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 29, 34, 52, 58, 61, 65, 68, 85, 116, 122, 130, 145, 170, 221, 244, 260, 290, 305, 340, 377, 442, 493, 580, 610, 754, 793, 884, 986, 1037, 1105, 1220, 1508, 1586, 1769, 1885, 1972, 2074, 2210, 2465, 3172, 3538, 3770, 3965, 4148, 4420, 4930, 5185, 6409, 7076, 7540, 7930, 8845, 9860, 10370, 12818, 13481, 15860, 17690, 20740, 22997, 25636, 26962, 30073, 32045, 35380, 45994, 53924, 60146, 64090, 67405, 91988, 114985, 120292, 128180, 134810, 150365, 229970, 269620, 300730, 390949, 459940, 601460, 781898, 1563796, 1954745, 3909490, 7818980]

約数ペア:

[(1, 7818980), (2, 3909490), (4, 1954745), (5, 1563796), (10, 781898), (13, 601460), (17, 459940), (20, 390949), (26, 300730), (29, 269620), (34, 229970), (52, 150365), (58, 134810), (61, 128180), (65, 120292), (68, 114985), (85, 91988), (116, 67405), (122, 64090), (130, 60146), (145, 53924), (170, 45994), (221, 35380), (244, 32045), (260, 30073), (290, 26962), (305, 25636), (340, 22997), (377, 20740), (442, 17690), (493, 15860), (580, 13481), (610, 12818), (754, 10370), (793, 9860), (884, 8845), (986, 7930), (1037, 7540), (1105, 7076), (1220, 6409), (1508, 5185), (1586, 4930), (1769, 4420), (1885, 4148), (1972, 3965), (2074, 3770), (2210, 3538), (2465, 3172)]