318687440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7559}}^1$

素因数の和:7620

約数の個数: 80

約数和(自身を含む): 809948160

約数和(自身を除く): 491260720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 34, 40, 62, 68, 80, 85, 124, 136, 155, 170, 248, 272, 310, 340, 496, 527, 620, 680, 1054, 1240, 1360, 2108, 2480, 2635, 4216, 5270, 7559, 8432, 10540, 15118, 21080, 30236, 37795, 42160, 60472, 75590, 120944, 128503, 151180, 234329, 257006, 302360, 468658, 514012, 604720, 642515, 937316, 1028024, 1171645, 1285030, 1874632, 2056048, 2343290, 2570060, 3749264, 3983593, 4686580, 5140120, 7967186, 9373160, 10280240, 15934372, 18746320, 19917965, 31868744, 39835930, 63737488, 79671860, 159343720, 318687440]

約数ペア:

[(1, 318687440), (2, 159343720), (4, 79671860), (5, 63737488), (8, 39835930), (10, 31868744), (16, 19917965), (17, 18746320), (20, 15934372), (31, 10280240), (34, 9373160), (40, 7967186), (62, 5140120), (68, 4686580), (80, 3983593), (85, 3749264), (124, 2570060), (136, 2343290), (155, 2056048), (170, 1874632), (248, 1285030), (272, 1171645), (310, 1028024), (340, 937316), (496, 642515), (527, 604720), (620, 514012), (680, 468658), (1054, 302360), (1240, 257006), (1360, 234329), (2108, 151180), (2480, 128503), (2635, 120944), (4216, 75590), (5270, 60472), (7559, 42160), (8432, 37795), (10540, 30236), (15118, 21080)]