31629780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1931}}^1$

素因数の和:1966

約数の個数: 144

約数和(自身を含む): 118145664

約数和(自身を除く): 86515884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 1931, 2340, 2730, 3276, 3862, 4095, 5460, 5793, 7724, 8190, 9655, 11586, 13517, 16380, 17379, 19310, 23172, 25103, 27034, 28965, 34758, 38620, 40551, 50206, 54068, 57930, 67585, 69516, 75309, 81102, 86895, 100412, 115860, 121653, 125515, 135170, 150618, 162204, 173790, 175721, 202755, 225927, 243306, 251030, 270340, 301236, 347580, 351442, 376545, 405510, 451854, 486612, 502060, 527163, 608265, 702884, 753090, 811020, 878605, 903708, 1054326, 1129635, 1216530, 1506180, 1581489, 1757210, 2108652, 2259270, 2433060, 2635815, 3162978, 3514420, 4518540, 5271630, 6325956, 7907445, 10543260, 15814890, 31629780]

約数ペア:

[(1, 31629780), (2, 15814890), (3, 10543260), (4, 7907445), (5, 6325956), (6, 5271630), (7, 4518540), (9, 3514420), (10, 3162978), (12, 2635815), (13, 2433060), (14, 2259270), (15, 2108652), (18, 1757210), (20, 1581489), (21, 1506180), (26, 1216530), (28, 1129635), (30, 1054326), (35, 903708), (36, 878605), (39, 811020), (42, 753090), (45, 702884), (52, 608265), (60, 527163), (63, 502060), (65, 486612), (70, 451854), (78, 405510), (84, 376545), (90, 351442), (91, 347580), (105, 301236), (117, 270340), (126, 251030), (130, 243306), (140, 225927), (156, 202755), (180, 175721), (182, 173790), (195, 162204), (210, 150618), (234, 135170), (252, 125515), (260, 121653), (273, 115860), (315, 100412), (364, 86895), (390, 81102), (420, 75309), (455, 69516), (468, 67585), (546, 57930), (585, 54068), (630, 50206), (780, 40551), (819, 38620), (910, 34758), (1092, 28965), (1170, 27034), (1260, 25103), (1365, 23172), (1638, 19310), (1820, 17379), (1931, 16380), (2340, 13517), (2730, 11586), (3276, 9655), (3862, 8190), (4095, 7724), (5460, 5793)]