90357040

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1$

素因数の和:167

約数の個数: 120

約数和(自身を含む): 233288640

約数和(自身を除く): 142931600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 79, 80, 85, 116, 136, 145, 158, 170, 232, 272, 290, 316, 340, 395, 464, 493, 580, 632, 680, 790, 841, 986, 1160, 1264, 1343, 1360, 1580, 1682, 1972, 2291, 2320, 2465, 2686, 3160, 3364, 3944, 4205, 4582, 4930, 5372, 6320, 6715, 6728, 7888, 8410, 9164, 9860, 10744, 11455, 13430, 13456, 14297, 16820, 18328, 19720, 21488, 22910, 26860, 28594, 33640, 36656, 38947, 39440, 45820, 53720, 57188, 66439, 67280, 71485, 77894, 91640, 107440, 114376, 132878, 142970, 155788, 183280, 194735, 228752, 265756, 285940, 311576, 332195, 389470, 531512, 571880, 623152, 664390, 778940, 1063024, 1129463, 1143760, 1328780, 1557880, 2258926, 2657560, 3115760, 4517852, 5315120, 5647315, 9035704, 11294630, 18071408, 22589260, 45178520, 90357040]

約数ペア:

[(1, 90357040), (2, 45178520), (4, 22589260), (5, 18071408), (8, 11294630), (10, 9035704), (16, 5647315), (17, 5315120), (20, 4517852), (29, 3115760), (34, 2657560), (40, 2258926), (58, 1557880), (68, 1328780), (79, 1143760), (80, 1129463), (85, 1063024), (116, 778940), (136, 664390), (145, 623152), (158, 571880), (170, 531512), (232, 389470), (272, 332195), (290, 311576), (316, 285940), (340, 265756), (395, 228752), (464, 194735), (493, 183280), (580, 155788), (632, 142970), (680, 132878), (790, 114376), (841, 107440), (986, 91640), (1160, 77894), (1264, 71485), (1343, 67280), (1360, 66439), (1580, 57188), (1682, 53720), (1972, 45820), (2291, 39440), (2320, 38947), (2465, 36656), (2686, 33640), (3160, 28594), (3364, 26860), (3944, 22910), (4205, 21488), (4582, 19720), (4930, 18328), (5372, 16820), (6320, 14297), (6715, 13456), (6728, 13430), (7888, 11455), (8410, 10744), (9164, 9860)]