664347840

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53233}}^1$

素因数の和:53266

約数の個数: 112

約数和(自身を含む): 2271601248

約数和(自身を除く): 1607253408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 2080, 2496, 3120, 4160, 6240, 12480, 53233, 106466, 159699, 212932, 266165, 319398, 425864, 532330, 638796, 692029, 798495, 851728, 1064660, 1277592, 1384058, 1596990, 1703456, 2076087, 2129320, 2555184, 2768116, 3193980, 3406912, 3460145, 4152174, 4258640, 5110368, 5536232, 6387960, 6920290, 8304348, 8517280, 10220736, 10380435, 11072464, 12775920, 13840580, 16608696, 17034560, 20760870, 22144928, 25551840, 27681160, 33217392, 41521740, 44289856, 51103680, 55362320, 66434784, 83043480, 110724640, 132869568, 166086960, 221449280, 332173920, 664347840]

約数ペア:

[(1, 664347840), (2, 332173920), (3, 221449280), (4, 166086960), (5, 132869568), (6, 110724640), (8, 83043480), (10, 66434784), (12, 55362320), (13, 51103680), (15, 44289856), (16, 41521740), (20, 33217392), (24, 27681160), (26, 25551840), (30, 22144928), (32, 20760870), (39, 17034560), (40, 16608696), (48, 13840580), (52, 12775920), (60, 11072464), (64, 10380435), (65, 10220736), (78, 8517280), (80, 8304348), (96, 6920290), (104, 6387960), (120, 5536232), (130, 5110368), (156, 4258640), (160, 4152174), (192, 3460145), (195, 3406912), (208, 3193980), (240, 2768116), (260, 2555184), (312, 2129320), (320, 2076087), (390, 1703456), (416, 1596990), (480, 1384058), (520, 1277592), (624, 1064660), (780, 851728), (832, 798495), (960, 692029), (1040, 638796), (1248, 532330), (1560, 425864), (2080, 319398), (2496, 266165), (3120, 212932), (4160, 159699), (6240, 106466), (12480, 53233)]