140439720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1675

約数の個数: 128

約数和(自身を含む): 456762240

約数和(自身を除く): 316322520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1601, 1720, 2040, 2193, 2580, 2924, 3202, 3655, 4386, 4803, 5160, 5848, 6404, 7310, 8005, 8772, 9606, 10965, 12808, 14620, 16010, 17544, 19212, 21930, 24015, 27217, 29240, 32020, 38424, 43860, 48030, 54434, 64040, 68843, 81651, 87720, 96060, 108868, 136085, 137686, 163302, 192120, 206529, 217736, 272170, 275372, 326604, 344215, 408255, 413058, 544340, 550744, 653208, 688430, 816510, 826116, 1032645, 1088680, 1170331, 1376860, 1633020, 1652232, 2065290, 2340662, 2753720, 3266040, 3510993, 4130580, 4681324, 5851655, 7021986, 8261160, 9362648, 11703310, 14043972, 17554965, 23406620, 28087944, 35109930, 46813240, 70219860, 140439720]

約数ペア:

[(1, 140439720), (2, 70219860), (3, 46813240), (4, 35109930), (5, 28087944), (6, 23406620), (8, 17554965), (10, 14043972), (12, 11703310), (15, 9362648), (17, 8261160), (20, 7021986), (24, 5851655), (30, 4681324), (34, 4130580), (40, 3510993), (43, 3266040), (51, 2753720), (60, 2340662), (68, 2065290), (85, 1652232), (86, 1633020), (102, 1376860), (120, 1170331), (129, 1088680), (136, 1032645), (170, 826116), (172, 816510), (204, 688430), (215, 653208), (255, 550744), (258, 544340), (340, 413058), (344, 408255), (408, 344215), (430, 326604), (510, 275372), (516, 272170), (645, 217736), (680, 206529), (731, 192120), (860, 163302), (1020, 137686), (1032, 136085), (1290, 108868), (1462, 96060), (1601, 87720), (1720, 81651), (2040, 68843), (2193, 64040), (2580, 54434), (2924, 48030), (3202, 43860), (3655, 38424), (4386, 32020), (4803, 29240), (5160, 27217), (5848, 24015), (6404, 21930), (7310, 19212), (8005, 17544), (8772, 16010), (9606, 14620), (10965, 12808)]