77920020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1907}}^1$

素因数の和:2149

約数の個数: 72

約数和(自身を含む): 237523104

約数和(自身を除く): 159603084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 1907, 2043, 2270, 2724, 3405, 3814, 4086, 4540, 5721, 6810, 7628, 8172, 9535, 10215, 11442, 13620, 17163, 19070, 20430, 22884, 28605, 34326, 38140, 40860, 57210, 68652, 85815, 114420, 171630, 343260, 432889, 865778, 1298667, 1731556, 2164445, 2597334, 3896001, 4328890, 5194668, 6493335, 7792002, 8657780, 12986670, 15584004, 19480005, 25973340, 38960010, 77920020]

約数ペア:

[(1, 77920020), (2, 38960010), (3, 25973340), (4, 19480005), (5, 15584004), (6, 12986670), (9, 8657780), (10, 7792002), (12, 6493335), (15, 5194668), (18, 4328890), (20, 3896001), (30, 2597334), (36, 2164445), (45, 1731556), (60, 1298667), (90, 865778), (180, 432889), (227, 343260), (454, 171630), (681, 114420), (908, 85815), (1135, 68652), (1362, 57210), (1907, 40860), (2043, 38140), (2270, 34326), (2724, 28605), (3405, 22884), (3814, 20430), (4086, 19070), (4540, 17163), (5721, 13620), (6810, 11442), (7628, 10215), (8172, 9535)]