128415900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 144

約数和(自身を含む): 398974464

約数和(自身を除く): 270558564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 37, 46, 50, 60, 69, 74, 75, 92, 100, 111, 115, 138, 148, 150, 185, 222, 230, 276, 300, 345, 370, 444, 460, 503, 555, 575, 690, 740, 851, 925, 1006, 1110, 1150, 1380, 1509, 1702, 1725, 1850, 2012, 2220, 2300, 2515, 2553, 2775, 3018, 3404, 3450, 3700, 4255, 5030, 5106, 5550, 6036, 6900, 7545, 8510, 10060, 10212, 11100, 11569, 12575, 12765, 15090, 17020, 18611, 21275, 23138, 25150, 25530, 30180, 34707, 37222, 37725, 42550, 46276, 50300, 51060, 55833, 57845, 63825, 69414, 74444, 75450, 85100, 93055, 111666, 115690, 127650, 138828, 150900, 173535, 186110, 223332, 231380, 255300, 279165, 289225, 347070, 372220, 428053, 465275, 558330, 578450, 694140, 856106, 867675, 930550, 1116660, 1156900, 1284159, 1395825, 1712212, 1735350, 1861100, 2140265, 2568318, 2791650, 3470700, 4280530, 5136636, 5583300, 6420795, 8561060, 10701325, 12841590, 21402650, 25683180, 32103975, 42805300, 64207950, 128415900]

約数ペア:

[(1, 128415900), (2, 64207950), (3, 42805300), (4, 32103975), (5, 25683180), (6, 21402650), (10, 12841590), (12, 10701325), (15, 8561060), (20, 6420795), (23, 5583300), (25, 5136636), (30, 4280530), (37, 3470700), (46, 2791650), (50, 2568318), (60, 2140265), (69, 1861100), (74, 1735350), (75, 1712212), (92, 1395825), (100, 1284159), (111, 1156900), (115, 1116660), (138, 930550), (148, 867675), (150, 856106), (185, 694140), (222, 578450), (230, 558330), (276, 465275), (300, 428053), (345, 372220), (370, 347070), (444, 289225), (460, 279165), (503, 255300), (555, 231380), (575, 223332), (690, 186110), (740, 173535), (851, 150900), (925, 138828), (1006, 127650), (1110, 115690), (1150, 111666), (1380, 93055), (1509, 85100), (1702, 75450), (1725, 74444), (1850, 69414), (2012, 63825), (2220, 57845), (2300, 55833), (2515, 51060), (2553, 50300), (2775, 46276), (3018, 42550), (3404, 37725), (3450, 37222), (3700, 34707), (4255, 30180), (5030, 25530), (5106, 25150), (5550, 23138), (6036, 21275), (6900, 18611), (7545, 17020), (8510, 15090), (10060, 12765), (10212, 12575), (11100, 11569)]