180466840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{1627}}^1$

素因数の和:1744

約数の個数: 64

約数和(自身を含む): 421977600

約数和(自身を除く): 241510760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 59, 94, 118, 188, 235, 236, 295, 376, 470, 472, 590, 940, 1180, 1627, 1880, 2360, 2773, 3254, 5546, 6508, 8135, 11092, 13016, 13865, 16270, 22184, 27730, 32540, 55460, 65080, 76469, 95993, 110920, 152938, 191986, 305876, 382345, 383972, 479965, 611752, 764690, 767944, 959930, 1529380, 1919860, 3058760, 3839720, 4511671, 9023342, 18046684, 22558355, 36093368, 45116710, 90233420, 180466840]

約数ペア:

[(1, 180466840), (2, 90233420), (4, 45116710), (5, 36093368), (8, 22558355), (10, 18046684), (20, 9023342), (40, 4511671), (47, 3839720), (59, 3058760), (94, 1919860), (118, 1529380), (188, 959930), (235, 767944), (236, 764690), (295, 611752), (376, 479965), (470, 383972), (472, 382345), (590, 305876), (940, 191986), (1180, 152938), (1627, 110920), (1880, 95993), (2360, 76469), (2773, 65080), (3254, 55460), (5546, 32540), (6508, 27730), (8135, 22184), (11092, 16270), (13016, 13865)]