68191380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 144

約数和(自身を含む): 220846080

約数和(自身を除く): 152654700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 127, 157, 171, 180, 190, 228, 254, 285, 314, 342, 380, 381, 471, 508, 570, 628, 635, 684, 762, 785, 855, 942, 1140, 1143, 1270, 1413, 1524, 1570, 1710, 1884, 1905, 2286, 2355, 2413, 2540, 2826, 2983, 3140, 3420, 3810, 4572, 4710, 4826, 5652, 5715, 5966, 7065, 7239, 7620, 8949, 9420, 9652, 11430, 11932, 12065, 14130, 14478, 14915, 17898, 19939, 21717, 22860, 24130, 26847, 28260, 28956, 29830, 35796, 36195, 39878, 43434, 44745, 48260, 53694, 59660, 59817, 72390, 79756, 86868, 89490, 99695, 107388, 108585, 119634, 134235, 144780, 178980, 179451, 199390, 217170, 239268, 268470, 299085, 358902, 378841, 398780, 434340, 536940, 598170, 717804, 757682, 897255, 1136523, 1196340, 1515364, 1794510, 1894205, 2273046, 3409569, 3589020, 3788410, 4546092, 5682615, 6819138, 7576820, 11365230, 13638276, 17047845, 22730460, 34095690, 68191380]

約数ペア:

[(1, 68191380), (2, 34095690), (3, 22730460), (4, 17047845), (5, 13638276), (6, 11365230), (9, 7576820), (10, 6819138), (12, 5682615), (15, 4546092), (18, 3788410), (19, 3589020), (20, 3409569), (30, 2273046), (36, 1894205), (38, 1794510), (45, 1515364), (57, 1196340), (60, 1136523), (76, 897255), (90, 757682), (95, 717804), (114, 598170), (127, 536940), (157, 434340), (171, 398780), (180, 378841), (190, 358902), (228, 299085), (254, 268470), (285, 239268), (314, 217170), (342, 199390), (380, 179451), (381, 178980), (471, 144780), (508, 134235), (570, 119634), (628, 108585), (635, 107388), (684, 99695), (762, 89490), (785, 86868), (855, 79756), (942, 72390), (1140, 59817), (1143, 59660), (1270, 53694), (1413, 48260), (1524, 44745), (1570, 43434), (1710, 39878), (1884, 36195), (1905, 35796), (2286, 29830), (2355, 28956), (2413, 28260), (2540, 26847), (2826, 24130), (2983, 22860), (3140, 21717), (3420, 19939), (3810, 17898), (4572, 14915), (4710, 14478), (4826, 14130), (5652, 12065), (5715, 11932), (5966, 11430), (7065, 9652), (7239, 9420), (7620, 8949)]