305207240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 781401600

約数和(自身を除く): 476194360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 92, 104, 115, 130, 151, 169, 184, 230, 260, 299, 302, 338, 460, 520, 598, 604, 676, 755, 845, 920, 1196, 1208, 1352, 1495, 1510, 1690, 1963, 2197, 2392, 2990, 3020, 3380, 3473, 3887, 3926, 4394, 5980, 6040, 6760, 6946, 7774, 7852, 8788, 9815, 10985, 11960, 13892, 15548, 15704, 17365, 17576, 19435, 19630, 21970, 25519, 27784, 31096, 34730, 38870, 39260, 43940, 45149, 50531, 51038, 69460, 77740, 78520, 87880, 90298, 101062, 102076, 127595, 138920, 155480, 180596, 202124, 204152, 225745, 252655, 255190, 331747, 361192, 404248, 451490, 505310, 510380, 586937, 663494, 902980, 1010620, 1020760, 1173874, 1326988, 1658735, 1805960, 2021240, 2347748, 2653976, 2934685, 3317470, 4695496, 5869370, 6634940, 7630181, 11738740, 13269880, 15260362, 23477480, 30520724, 38150905, 61041448, 76301810, 152603620, 305207240]

約数ペア:

[(1, 305207240), (2, 152603620), (4, 76301810), (5, 61041448), (8, 38150905), (10, 30520724), (13, 23477480), (20, 15260362), (23, 13269880), (26, 11738740), (40, 7630181), (46, 6634940), (52, 5869370), (65, 4695496), (92, 3317470), (104, 2934685), (115, 2653976), (130, 2347748), (151, 2021240), (169, 1805960), (184, 1658735), (230, 1326988), (260, 1173874), (299, 1020760), (302, 1010620), (338, 902980), (460, 663494), (520, 586937), (598, 510380), (604, 505310), (676, 451490), (755, 404248), (845, 361192), (920, 331747), (1196, 255190), (1208, 252655), (1352, 225745), (1495, 204152), (1510, 202124), (1690, 180596), (1963, 155480), (2197, 138920), (2392, 127595), (2990, 102076), (3020, 101062), (3380, 90298), (3473, 87880), (3887, 78520), (3926, 77740), (4394, 69460), (5980, 51038), (6040, 50531), (6760, 45149), (6946, 43940), (7774, 39260), (7852, 38870), (8788, 34730), (9815, 31096), (10985, 27784), (11960, 25519), (13892, 21970), (15548, 19630), (15704, 19435), (17365, 17576)]