130459480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 301409280

約数和(自身を除く): 170949800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 421, 488, 508, 610, 635, 842, 1016, 1220, 1270, 1684, 2105, 2440, 2540, 3368, 4210, 5080, 7747, 8420, 15494, 16840, 25681, 30988, 38735, 51362, 53467, 61976, 77470, 102724, 106934, 128405, 154940, 205448, 213868, 256810, 267335, 309880, 427736, 513620, 534670, 1027240, 1069340, 2138680, 3261487, 6522974, 13045948, 16307435, 26091896, 32614870, 65229740, 130459480]

約数ペア:

[(1, 130459480), (2, 65229740), (4, 32614870), (5, 26091896), (8, 16307435), (10, 13045948), (20, 6522974), (40, 3261487), (61, 2138680), (122, 1069340), (127, 1027240), (244, 534670), (254, 513620), (305, 427736), (421, 309880), (488, 267335), (508, 256810), (610, 213868), (635, 205448), (842, 154940), (1016, 128405), (1220, 106934), (1270, 102724), (1684, 77470), (2105, 61976), (2440, 53467), (2540, 51362), (3368, 38735), (4210, 30988), (5080, 25681), (7747, 16840), (8420, 15494)]