78413880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:349

約数の個数: 128

約数和(自身を含む): 246343680

約数和(自身を除く): 167929800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 107, 120, 124, 155, 186, 197, 214, 248, 310, 321, 372, 394, 428, 465, 535, 591, 620, 642, 744, 788, 856, 930, 985, 1070, 1182, 1240, 1284, 1576, 1605, 1860, 1970, 2140, 2364, 2568, 2955, 3210, 3317, 3720, 3940, 4280, 4728, 5910, 6107, 6420, 6634, 7880, 9951, 11820, 12214, 12840, 13268, 16585, 18321, 19902, 21079, 23640, 24428, 26536, 30535, 33170, 36642, 39804, 42158, 48856, 49755, 61070, 63237, 66340, 73284, 79608, 84316, 91605, 99510, 105395, 122140, 126474, 132680, 146568, 168632, 183210, 199020, 210790, 244280, 252948, 316185, 366420, 398040, 421580, 505896, 632370, 653449, 732840, 843160, 1264740, 1306898, 1960347, 2529480, 2613796, 3267245, 3920694, 5227592, 6534490, 7841388, 9801735, 13068980, 15682776, 19603470, 26137960, 39206940, 78413880]

約数ペア:

[(1, 78413880), (2, 39206940), (3, 26137960), (4, 19603470), (5, 15682776), (6, 13068980), (8, 9801735), (10, 7841388), (12, 6534490), (15, 5227592), (20, 3920694), (24, 3267245), (30, 2613796), (31, 2529480), (40, 1960347), (60, 1306898), (62, 1264740), (93, 843160), (107, 732840), (120, 653449), (124, 632370), (155, 505896), (186, 421580), (197, 398040), (214, 366420), (248, 316185), (310, 252948), (321, 244280), (372, 210790), (394, 199020), (428, 183210), (465, 168632), (535, 146568), (591, 132680), (620, 126474), (642, 122140), (744, 105395), (788, 99510), (856, 91605), (930, 84316), (985, 79608), (1070, 73284), (1182, 66340), (1240, 63237), (1284, 61070), (1576, 49755), (1605, 48856), (1860, 42158), (1970, 39804), (2140, 36642), (2364, 33170), (2568, 30535), (2955, 26536), (3210, 24428), (3317, 23640), (3720, 21079), (3940, 19902), (4280, 18321), (4728, 16585), (5910, 13268), (6107, 12840), (6420, 12214), (6634, 11820), (7880, 9951)]