90040240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1601}}^1$

素因数の和:1670

約数の個数: 80

約数和(自身を含む): 226458720

約数和(自身を除く): 136418480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 37, 38, 40, 74, 76, 80, 95, 148, 152, 185, 190, 296, 304, 370, 380, 592, 703, 740, 760, 1406, 1480, 1520, 1601, 2812, 2960, 3202, 3515, 5624, 6404, 7030, 8005, 11248, 12808, 14060, 16010, 25616, 28120, 30419, 32020, 56240, 59237, 60838, 64040, 118474, 121676, 128080, 152095, 236948, 243352, 296185, 304190, 473896, 486704, 592370, 608380, 947792, 1125503, 1184740, 1216760, 2251006, 2369480, 2433520, 4502012, 4738960, 5627515, 9004024, 11255030, 18008048, 22510060, 45020120, 90040240]

約数ペア:

[(1, 90040240), (2, 45020120), (4, 22510060), (5, 18008048), (8, 11255030), (10, 9004024), (16, 5627515), (19, 4738960), (20, 4502012), (37, 2433520), (38, 2369480), (40, 2251006), (74, 1216760), (76, 1184740), (80, 1125503), (95, 947792), (148, 608380), (152, 592370), (185, 486704), (190, 473896), (296, 304190), (304, 296185), (370, 243352), (380, 236948), (592, 152095), (703, 128080), (740, 121676), (760, 118474), (1406, 64040), (1480, 60838), (1520, 59237), (1601, 56240), (2812, 32020), (2960, 30419), (3202, 28120), (3515, 25616), (5624, 16010), (6404, 14060), (7030, 12808), (8005, 11248)]