213421680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15601}}^1$

素因数の和:15639

約数の個数: 120

約数和(自身を含む): 754512720

約数和(自身を除く): 541091040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 2280, 2736, 3420, 4560, 6840, 13680, 15601, 31202, 46803, 62404, 78005, 93606, 124808, 140409, 156010, 187212, 234015, 249616, 280818, 296419, 312020, 374424, 468030, 561636, 592838, 624040, 702045, 748848, 889257, 936060, 1123272, 1185676, 1248080, 1404090, 1482095, 1778514, 1872120, 2246544, 2371352, 2667771, 2808180, 2964190, 3557028, 3744240, 4446285, 4742704, 5335542, 5616360, 5928380, 7114056, 8892570, 10671084, 11232720, 11856760, 13338855, 14228112, 17785140, 21342168, 23713520, 26677710, 35570280, 42684336, 53355420, 71140560, 106710840, 213421680]

約数ペア:

[(1, 213421680), (2, 106710840), (3, 71140560), (4, 53355420), (5, 42684336), (6, 35570280), (8, 26677710), (9, 23713520), (10, 21342168), (12, 17785140), (15, 14228112), (16, 13338855), (18, 11856760), (19, 11232720), (20, 10671084), (24, 8892570), (30, 7114056), (36, 5928380), (38, 5616360), (40, 5335542), (45, 4742704), (48, 4446285), (57, 3744240), (60, 3557028), (72, 2964190), (76, 2808180), (80, 2667771), (90, 2371352), (95, 2246544), (114, 1872120), (120, 1778514), (144, 1482095), (152, 1404090), (171, 1248080), (180, 1185676), (190, 1123272), (228, 936060), (240, 889257), (285, 748848), (304, 702045), (342, 624040), (360, 592838), (380, 561636), (456, 468030), (570, 374424), (684, 312020), (720, 296419), (760, 280818), (855, 249616), (912, 234015), (1140, 187212), (1368, 156010), (1520, 140409), (1710, 124808), (2280, 93606), (2736, 78005), (3420, 62404), (4560, 46803), (6840, 31202), (13680, 15601)]