74391720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1179

約数の個数: 128

約数和(自身を含む): 246153600

約数和(自身を除く): 171761880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1109, 1118, 1290, 1560, 1677, 1720, 2218, 2236, 2580, 2795, 3327, 3354, 4436, 4472, 5160, 5545, 5590, 6654, 6708, 8385, 8872, 11090, 11180, 13308, 13416, 14417, 16635, 16770, 22180, 22360, 26616, 28834, 33270, 33540, 43251, 44360, 47687, 57668, 66540, 67080, 72085, 86502, 95374, 115336, 133080, 143061, 144170, 173004, 190748, 216255, 238435, 286122, 288340, 346008, 381496, 432510, 476870, 572244, 576680, 619931, 715305, 865020, 953740, 1144488, 1239862, 1430610, 1730040, 1859793, 1907480, 2479724, 2861220, 3099655, 3719586, 4959448, 5722440, 6199310, 7439172, 9298965, 12398620, 14878344, 18597930, 24797240, 37195860, 74391720]

約数ペア:

[(1, 74391720), (2, 37195860), (3, 24797240), (4, 18597930), (5, 14878344), (6, 12398620), (8, 9298965), (10, 7439172), (12, 6199310), (13, 5722440), (15, 4959448), (20, 3719586), (24, 3099655), (26, 2861220), (30, 2479724), (39, 1907480), (40, 1859793), (43, 1730040), (52, 1430610), (60, 1239862), (65, 1144488), (78, 953740), (86, 865020), (104, 715305), (120, 619931), (129, 576680), (130, 572244), (156, 476870), (172, 432510), (195, 381496), (215, 346008), (258, 288340), (260, 286122), (312, 238435), (344, 216255), (390, 190748), (430, 173004), (516, 144170), (520, 143061), (559, 133080), (645, 115336), (780, 95374), (860, 86502), (1032, 72085), (1109, 67080), (1118, 66540), (1290, 57668), (1560, 47687), (1677, 44360), (1720, 43251), (2218, 33540), (2236, 33270), (2580, 28834), (2795, 26616), (3327, 22360), (3354, 22180), (4436, 16770), (4472, 16635), (5160, 14417), (5545, 13416), (5590, 13308), (6654, 11180), (6708, 11090), (8385, 8872)]