661070480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:353

約数の個数: 160

約数和(自身を含む): 1809360384

約数和(自身を除く): 1148289904

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 103, 112, 140, 146, 157, 206, 280, 292, 314, 365, 412, 511, 515, 560, 584, 628, 721, 730, 785, 824, 1022, 1030, 1099, 1168, 1256, 1442, 1460, 1570, 1648, 2044, 2060, 2198, 2512, 2555, 2884, 2920, 3140, 3605, 4088, 4120, 4396, 5110, 5495, 5768, 5840, 6280, 7210, 7519, 8176, 8240, 8792, 10220, 10990, 11461, 11536, 12560, 14420, 15038, 16171, 17584, 20440, 21980, 22922, 28840, 30076, 32342, 37595, 40880, 43960, 45844, 52633, 57305, 57680, 60152, 64684, 75190, 80227, 80855, 87920, 91688, 105266, 113197, 114610, 120304, 129368, 150380, 160454, 161710, 183376, 210532, 226394, 229220, 258736, 263165, 300760, 320908, 323420, 401135, 421064, 452788, 458440, 526330, 565985, 601520, 641816, 646840, 802270, 842128, 905576, 916880, 1052660, 1131970, 1180483, 1283632, 1293680, 1604540, 1811152, 2105320, 2263940, 2360966, 3209080, 4210640, 4527880, 4721932, 5902415, 6418160, 8263381, 9055760, 9443864, 11804830, 16526762, 18887728, 23609660, 33053524, 41316905, 47219320, 66107048, 82633810, 94438640, 132214096, 165267620, 330535240, 661070480]

約数ペア:

[(1, 661070480), (2, 330535240), (4, 165267620), (5, 132214096), (7, 94438640), (8, 82633810), (10, 66107048), (14, 47219320), (16, 41316905), (20, 33053524), (28, 23609660), (35, 18887728), (40, 16526762), (56, 11804830), (70, 9443864), (73, 9055760), (80, 8263381), (103, 6418160), (112, 5902415), (140, 4721932), (146, 4527880), (157, 4210640), (206, 3209080), (280, 2360966), (292, 2263940), (314, 2105320), (365, 1811152), (412, 1604540), (511, 1293680), (515, 1283632), (560, 1180483), (584, 1131970), (628, 1052660), (721, 916880), (730, 905576), (785, 842128), (824, 802270), (1022, 646840), (1030, 641816), (1099, 601520), (1168, 565985), (1256, 526330), (1442, 458440), (1460, 452788), (1570, 421064), (1648, 401135), (2044, 323420), (2060, 320908), (2198, 300760), (2512, 263165), (2555, 258736), (2884, 229220), (2920, 226394), (3140, 210532), (3605, 183376), (4088, 161710), (4120, 160454), (4396, 150380), (5110, 129368), (5495, 120304), (5768, 114610), (5840, 113197), (6280, 105266), (7210, 91688), (7519, 87920), (8176, 80855), (8240, 80227), (8792, 75190), (10220, 64684), (10990, 60152), (11461, 57680), (11536, 57305), (12560, 52633), (14420, 45844), (15038, 43960), (16171, 40880), (17584, 37595), (20440, 32342), (21980, 30076), (22922, 28840)]