287730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 786240

約数和(自身を除く): 498510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 139, 207, 230, 278, 345, 414, 417, 690, 695, 834, 1035, 1251, 1390, 2070, 2085, 2502, 3197, 4170, 6255, 6394, 9591, 12510, 15985, 19182, 28773, 31970, 47955, 57546, 95910, 143865, 287730]

約数ペア:

[(1, 287730), (2, 143865), (3, 95910), (5, 57546), (6, 47955), (9, 31970), (10, 28773), (15, 19182), (18, 15985), (23, 12510), (30, 9591), (45, 6394), (46, 6255), (69, 4170), (90, 3197), (115, 2502), (138, 2085), (139, 2070), (207, 1390), (230, 1251), (278, 1035), (345, 834), (414, 695), (417, 690)]