248865720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{121993}}^1$

素因数の和:122024

約数の個数: 64

約数和(自身を含む): 790521120

約数和(自身を除く): 541655400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 121993, 243986, 365979, 487972, 609965, 731958, 975944, 1219930, 1463916, 1829895, 2073881, 2439860, 2927832, 3659790, 4147762, 4879720, 6221643, 7319580, 8295524, 10369405, 12443286, 14639160, 16591048, 20738810, 24886572, 31108215, 41477620, 49773144, 62216430, 82955240, 124432860, 248865720]

約数ペア:

[(1, 248865720), (2, 124432860), (3, 82955240), (4, 62216430), (5, 49773144), (6, 41477620), (8, 31108215), (10, 24886572), (12, 20738810), (15, 16591048), (17, 14639160), (20, 12443286), (24, 10369405), (30, 8295524), (34, 7319580), (40, 6221643), (51, 4879720), (60, 4147762), (68, 3659790), (85, 2927832), (102, 2439860), (120, 2073881), (136, 1829895), (170, 1463916), (204, 1219930), (255, 975944), (340, 731958), (408, 609965), (510, 487972), (680, 365979), (1020, 243986), (2040, 121993)]