68170860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:708

約数の個数: 144

約数和(自身を含む): 225039360

約数和(自身を除く): 156868500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 643, 684, 855, 930, 1116, 1140, 1178, 1286, 1395, 1710, 1767, 1860, 1929, 2356, 2572, 2790, 2945, 3215, 3420, 3534, 3858, 5301, 5580, 5787, 5890, 6430, 7068, 7716, 8835, 9645, 10602, 11574, 11780, 12217, 12860, 17670, 19290, 19933, 21204, 23148, 24434, 26505, 28935, 35340, 36651, 38580, 39866, 48868, 53010, 57870, 59799, 61085, 73302, 79732, 99665, 106020, 109953, 115740, 119598, 122170, 146604, 179397, 183255, 199330, 219906, 239196, 244340, 298995, 358794, 366510, 378727, 398660, 439812, 549765, 597990, 717588, 733020, 757454, 896985, 1099530, 1136181, 1195980, 1514908, 1793970, 1893635, 2199060, 2272362, 3408543, 3587940, 3787270, 4544724, 5680905, 6817086, 7574540, 11361810, 13634172, 17042715, 22723620, 34085430, 68170860]

約数ペア:

[(1, 68170860), (2, 34085430), (3, 22723620), (4, 17042715), (5, 13634172), (6, 11361810), (9, 7574540), (10, 6817086), (12, 5680905), (15, 4544724), (18, 3787270), (19, 3587940), (20, 3408543), (30, 2272362), (31, 2199060), (36, 1893635), (38, 1793970), (45, 1514908), (57, 1195980), (60, 1136181), (62, 1099530), (76, 896985), (90, 757454), (93, 733020), (95, 717588), (114, 597990), (124, 549765), (155, 439812), (171, 398660), (180, 378727), (186, 366510), (190, 358794), (228, 298995), (279, 244340), (285, 239196), (310, 219906), (342, 199330), (372, 183255), (380, 179397), (465, 146604), (558, 122170), (570, 119598), (589, 115740), (620, 109953), (643, 106020), (684, 99665), (855, 79732), (930, 73302), (1116, 61085), (1140, 59799), (1178, 57870), (1286, 53010), (1395, 48868), (1710, 39866), (1767, 38580), (1860, 36651), (1929, 35340), (2356, 28935), (2572, 26505), (2790, 24434), (2945, 23148), (3215, 21204), (3420, 19933), (3534, 19290), (3858, 17670), (5301, 12860), (5580, 12217), (5787, 11780), (5890, 11574), (6430, 10602), (7068, 9645), (7716, 8835)]