7311720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 128

約数和(自身を含む): 24393600

約数和(自身を除く): 17081880

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, 109, 120, 129, 130, 156, 172, 195, 215, 218, 258, 260, 312, 327, 344, 390, 430, 436, 516, 520, 545, 559, 645, 654, 780, 860, 872, 1032, 1090, 1118, 1290, 1308, 1417, 1560, 1635, 1677, 1720, 2180, 2236, 2580, 2616, 2795, 2834, 3270, 3354, 4251, 4360, 4472, 4687, 5160, 5590, 5668, 6540, 6708, 7085, 8385, 8502, 9374, 11180, 11336, 13080, 13416, 14061, 14170, 16770, 17004, 18748, 21255, 22360, 23435, 28122, 28340, 33540, 34008, 37496, 42510, 46870, 56244, 56680, 60931, 67080, 70305, 85020, 93740, 112488, 121862, 140610, 170040, 182793, 187480, 243724, 281220, 304655, 365586, 487448, 562440, 609310, 731172, 913965, 1218620, 1462344, 1827930, 2437240, 3655860, 7311720]

約数ペア:

[(1, 7311720), (2, 3655860), (3, 2437240), (4, 1827930), (5, 1462344), (6, 1218620), (8, 913965), (10, 731172), (12, 609310), (13, 562440), (15, 487448), (20, 365586), (24, 304655), (26, 281220), (30, 243724), (39, 187480), (40, 182793), (43, 170040), (52, 140610), (60, 121862), (65, 112488), (78, 93740), (86, 85020), (104, 70305), (109, 67080), (120, 60931), (129, 56680), (130, 56244), (156, 46870), (172, 42510), (195, 37496), (215, 34008), (218, 33540), (258, 28340), (260, 28122), (312, 23435), (327, 22360), (344, 21255), (390, 18748), (430, 17004), (436, 16770), (516, 14170), (520, 14061), (545, 13416), (559, 13080), (645, 11336), (654, 11180), (780, 9374), (860, 8502), (872, 8385), (1032, 7085), (1090, 6708), (1118, 6540), (1290, 5668), (1308, 5590), (1417, 5160), (1560, 4687), (1635, 4472), (1677, 4360), (1720, 4251), (2180, 3354), (2236, 3270), (2580, 2834), (2616, 2795)]