123078980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15739}}^1$

素因数の和:15788

約数の個数: 48

約数和(自身を含む): 285586560

約数和(自身を除く): 162507580

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 15739, 31478, 62956, 78695, 157390, 267563, 314780, 361997, 535126, 723994, 1070252, 1337815, 1447988, 1809985, 2675630, 3619970, 5351260, 6153949, 7239940, 12307898, 24615796, 30769745, 61539490, 123078980]

約数ペア:

[(1, 123078980), (2, 61539490), (4, 30769745), (5, 24615796), (10, 12307898), (17, 7239940), (20, 6153949), (23, 5351260), (34, 3619970), (46, 2675630), (68, 1809985), (85, 1447988), (92, 1337815), (115, 1070252), (170, 723994), (230, 535126), (340, 361997), (391, 314780), (460, 267563), (782, 157390), (1564, 78695), (1955, 62956), (3910, 31478), (7820, 15739)]