17731480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 44930160

約数和(自身を除く): 27198680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 61, 65, 86, 104, 122, 130, 169, 172, 215, 244, 260, 305, 338, 344, 430, 488, 520, 559, 610, 676, 793, 845, 860, 1118, 1220, 1352, 1586, 1690, 1720, 2236, 2440, 2623, 2795, 3172, 3380, 3965, 4472, 5246, 5590, 6344, 6760, 7267, 7930, 10309, 10492, 11180, 13115, 14534, 15860, 20618, 20984, 22360, 26230, 29068, 31720, 34099, 36335, 41236, 51545, 52460, 58136, 68198, 72670, 82472, 103090, 104920, 136396, 145340, 170495, 206180, 272792, 290680, 340990, 412360, 443287, 681980, 886574, 1363960, 1773148, 2216435, 3546296, 4432870, 8865740, 17731480]

約数ペア:

[(1, 17731480), (2, 8865740), (4, 4432870), (5, 3546296), (8, 2216435), (10, 1773148), (13, 1363960), (20, 886574), (26, 681980), (40, 443287), (43, 412360), (52, 340990), (61, 290680), (65, 272792), (86, 206180), (104, 170495), (122, 145340), (130, 136396), (169, 104920), (172, 103090), (215, 82472), (244, 72670), (260, 68198), (305, 58136), (338, 52460), (344, 51545), (430, 41236), (488, 36335), (520, 34099), (559, 31720), (610, 29068), (676, 26230), (793, 22360), (845, 20984), (860, 20618), (1118, 15860), (1220, 14534), (1352, 13115), (1586, 11180), (1690, 10492), (1720, 10309), (2236, 7930), (2440, 7267), (2623, 6760), (2795, 6344), (3172, 5590), (3380, 5246), (3965, 4472)]