68677020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:544

約数の個数: 144

約数和(自身を含む): 224864640

約数和(自身を除く): 156187620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 43, 45, 57, 60, 76, 86, 90, 95, 114, 129, 171, 172, 180, 190, 215, 228, 258, 285, 342, 380, 387, 430, 467, 516, 570, 645, 684, 774, 817, 855, 860, 934, 1140, 1290, 1401, 1548, 1634, 1710, 1868, 1935, 2335, 2451, 2580, 2802, 3268, 3420, 3870, 4085, 4203, 4670, 4902, 5604, 7005, 7353, 7740, 8170, 8406, 8873, 9340, 9804, 12255, 14010, 14706, 16340, 16812, 17746, 20081, 21015, 24510, 26619, 28020, 29412, 35492, 36765, 40162, 42030, 44365, 49020, 53238, 60243, 73530, 79857, 80324, 84060, 88730, 100405, 106476, 120486, 133095, 147060, 159714, 177460, 180729, 200810, 240972, 266190, 301215, 319428, 361458, 381539, 399285, 401620, 532380, 602430, 722916, 763078, 798570, 903645, 1144617, 1204860, 1526156, 1597140, 1807290, 1907695, 2289234, 3433851, 3614580, 3815390, 4578468, 5723085, 6867702, 7630780, 11446170, 13735404, 17169255, 22892340, 34338510, 68677020]

約数ペア:

[(1, 68677020), (2, 34338510), (3, 22892340), (4, 17169255), (5, 13735404), (6, 11446170), (9, 7630780), (10, 6867702), (12, 5723085), (15, 4578468), (18, 3815390), (19, 3614580), (20, 3433851), (30, 2289234), (36, 1907695), (38, 1807290), (43, 1597140), (45, 1526156), (57, 1204860), (60, 1144617), (76, 903645), (86, 798570), (90, 763078), (95, 722916), (114, 602430), (129, 532380), (171, 401620), (172, 399285), (180, 381539), (190, 361458), (215, 319428), (228, 301215), (258, 266190), (285, 240972), (342, 200810), (380, 180729), (387, 177460), (430, 159714), (467, 147060), (516, 133095), (570, 120486), (645, 106476), (684, 100405), (774, 88730), (817, 84060), (855, 80324), (860, 79857), (934, 73530), (1140, 60243), (1290, 53238), (1401, 49020), (1548, 44365), (1634, 42030), (1710, 40162), (1868, 36765), (1935, 35492), (2335, 29412), (2451, 28020), (2580, 26619), (2802, 24510), (3268, 21015), (3420, 20081), (3870, 17746), (4085, 16812), (4203, 16340), (4670, 14706), (4902, 14010), (5604, 12255), (7005, 9804), (7353, 9340), (7740, 8873), (8170, 8406)]