15407990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 31872960

約数和(自身を除く): 16464970

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 61, 65, 67, 122, 130, 134, 145, 290, 305, 335, 377, 610, 670, 754, 793, 871, 1586, 1742, 1769, 1885, 1943, 3538, 3770, 3886, 3965, 4087, 4355, 7930, 8174, 8710, 8845, 9715, 17690, 19430, 20435, 22997, 25259, 40870, 45994, 50518, 53131, 106262, 114985, 118523, 126295, 229970, 237046, 252590, 265655, 531310, 592615, 1185230, 1540799, 3081598, 7703995, 15407990]

約数ペア:

[(1, 15407990), (2, 7703995), (5, 3081598), (10, 1540799), (13, 1185230), (26, 592615), (29, 531310), (58, 265655), (61, 252590), (65, 237046), (67, 229970), (122, 126295), (130, 118523), (134, 114985), (145, 106262), (290, 53131), (305, 50518), (335, 45994), (377, 40870), (610, 25259), (670, 22997), (754, 20435), (793, 19430), (871, 17690), (1586, 9715), (1742, 8845), (1769, 8710), (1885, 8174), (1943, 7930), (3538, 4355), (3770, 4087), (3886, 3965)]