1788540660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1277}}^1$

素因数の和:1574

約数の個数: 144

約数和(自身を含む): 5626962432

約数和(自身を除く): 3838421772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 251, 279, 310, 372, 465, 502, 558, 620, 753, 930, 1004, 1116, 1255, 1277, 1395, 1506, 1860, 2259, 2510, 2554, 2790, 3012, 3765, 3831, 4518, 5020, 5108, 5580, 6385, 7530, 7662, 7781, 9036, 11295, 11493, 12770, 15060, 15324, 15562, 19155, 22590, 22986, 23343, 25540, 31124, 38310, 38905, 39587, 45180, 45972, 46686, 57465, 70029, 76620, 77810, 79174, 93372, 114930, 116715, 118761, 140058, 155620, 158348, 197935, 229860, 233430, 237522, 280116, 320527, 350145, 356283, 395870, 466860, 475044, 593805, 641054, 700290, 712566, 791740, 961581, 1187610, 1282108, 1400580, 1425132, 1602635, 1781415, 1923162, 2375220, 2884743, 3205270, 3562830, 3846324, 4807905, 5769486, 6410540, 7125660, 9615810, 9936337, 11538972, 14423715, 19231620, 19872674, 28847430, 29809011, 39745348, 49681685, 57694860, 59618022, 89427033, 99363370, 119236044, 149045055, 178854066, 198726740, 298090110, 357708132, 447135165, 596180220, 894270330, 1788540660]

約数ペア:

[(1, 1788540660), (2, 894270330), (3, 596180220), (4, 447135165), (5, 357708132), (6, 298090110), (9, 198726740), (10, 178854066), (12, 149045055), (15, 119236044), (18, 99363370), (20, 89427033), (30, 59618022), (31, 57694860), (36, 49681685), (45, 39745348), (60, 29809011), (62, 28847430), (90, 19872674), (93, 19231620), (124, 14423715), (155, 11538972), (180, 9936337), (186, 9615810), (251, 7125660), (279, 6410540), (310, 5769486), (372, 4807905), (465, 3846324), (502, 3562830), (558, 3205270), (620, 2884743), (753, 2375220), (930, 1923162), (1004, 1781415), (1116, 1602635), (1255, 1425132), (1277, 1400580), (1395, 1282108), (1506, 1187610), (1860, 961581), (2259, 791740), (2510, 712566), (2554, 700290), (2790, 641054), (3012, 593805), (3765, 475044), (3831, 466860), (4518, 395870), (5020, 356283), (5108, 350145), (5580, 320527), (6385, 280116), (7530, 237522), (7662, 233430), (7781, 229860), (9036, 197935), (11295, 158348), (11493, 155620), (12770, 140058), (15060, 118761), (15324, 116715), (15562, 114930), (19155, 93372), (22590, 79174), (22986, 77810), (23343, 76620), (25540, 70029), (31124, 57465), (38310, 46686), (38905, 45972), (39587, 45180)]