80828820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^2$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 261750720

約数和(自身を除く): 180921900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 59, 60, 86, 90, 108, 118, 129, 135, 172, 177, 180, 215, 236, 258, 270, 295, 354, 387, 430, 516, 531, 540, 590, 645, 708, 774, 860, 885, 1062, 1161, 1180, 1290, 1548, 1593, 1770, 1935, 2124, 2322, 2537, 2580, 2655, 3186, 3481, 3540, 3870, 4644, 5074, 5310, 5805, 6372, 6962, 7611, 7740, 7965, 10148, 10443, 10620, 11610, 12685, 13924, 15222, 15930, 17405, 20886, 22833, 23220, 25370, 30444, 31329, 31860, 34810, 38055, 41772, 45666, 50740, 52215, 62658, 68499, 69620, 76110, 91332, 93987, 104430, 114165, 125316, 136998, 149683, 152220, 156645, 187974, 208860, 228330, 273996, 299366, 313290, 342495, 375948, 449049, 456660, 469935, 598732, 626580, 684990, 748415, 898098, 939870, 1347147, 1369980, 1496830, 1796196, 1879740, 2245245, 2694294, 2993660, 4041441, 4490490, 5388588, 6735735, 8082882, 8980980, 13471470, 16165764, 20207205, 26942940, 40414410, 80828820]

約数ペア:

[(1, 80828820), (2, 40414410), (3, 26942940), (4, 20207205), (5, 16165764), (6, 13471470), (9, 8980980), (10, 8082882), (12, 6735735), (15, 5388588), (18, 4490490), (20, 4041441), (27, 2993660), (30, 2694294), (36, 2245245), (43, 1879740), (45, 1796196), (54, 1496830), (59, 1369980), (60, 1347147), (86, 939870), (90, 898098), (108, 748415), (118, 684990), (129, 626580), (135, 598732), (172, 469935), (177, 456660), (180, 449049), (215, 375948), (236, 342495), (258, 313290), (270, 299366), (295, 273996), (354, 228330), (387, 208860), (430, 187974), (516, 156645), (531, 152220), (540, 149683), (590, 136998), (645, 125316), (708, 114165), (774, 104430), (860, 93987), (885, 91332), (1062, 76110), (1161, 69620), (1180, 68499), (1290, 62658), (1548, 52215), (1593, 50740), (1770, 45666), (1935, 41772), (2124, 38055), (2322, 34810), (2537, 31860), (2580, 31329), (2655, 30444), (3186, 25370), (3481, 23220), (3540, 22833), (3870, 20886), (4644, 17405), (5074, 15930), (5310, 15222), (5805, 13924), (6372, 12685), (6962, 11610), (7611, 10620), (7740, 10443), (7965, 10148)]