123281620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 344115072

約数和(自身を除く): 220833452

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 28, 34, 35, 44, 55, 68, 70, 77, 85, 110, 119, 140, 154, 170, 187, 220, 238, 277, 289, 308, 340, 374, 385, 476, 554, 578, 595, 748, 770, 935, 1108, 1156, 1190, 1309, 1385, 1445, 1540, 1870, 1939, 2023, 2380, 2618, 2770, 2890, 3047, 3179, 3740, 3878, 4046, 4709, 5236, 5540, 5780, 6094, 6358, 6545, 7756, 8092, 9418, 9695, 10115, 12188, 12716, 13090, 15235, 15895, 18836, 19390, 20230, 21329, 22253, 23545, 26180, 30470, 31790, 32963, 38780, 40460, 42658, 44506, 47090, 51799, 60940, 63580, 65926, 80053, 85316, 89012, 94180, 103598, 106645, 111265, 131852, 160106, 164815, 207196, 213290, 222530, 258995, 320212, 329630, 362593, 400265, 426580, 445060, 517990, 560371, 659260, 725186, 800530, 880583, 1035980, 1120742, 1450372, 1601060, 1761166, 1812965, 2241484, 2801855, 3522332, 3625930, 4402915, 5603710, 6164081, 7251860, 8805830, 11207420, 12328162, 17611660, 24656324, 30820405, 61640810, 123281620]

約数ペア:

[(1, 123281620), (2, 61640810), (4, 30820405), (5, 24656324), (7, 17611660), (10, 12328162), (11, 11207420), (14, 8805830), (17, 7251860), (20, 6164081), (22, 5603710), (28, 4402915), (34, 3625930), (35, 3522332), (44, 2801855), (55, 2241484), (68, 1812965), (70, 1761166), (77, 1601060), (85, 1450372), (110, 1120742), (119, 1035980), (140, 880583), (154, 800530), (170, 725186), (187, 659260), (220, 560371), (238, 517990), (277, 445060), (289, 426580), (308, 400265), (340, 362593), (374, 329630), (385, 320212), (476, 258995), (554, 222530), (578, 213290), (595, 207196), (748, 164815), (770, 160106), (935, 131852), (1108, 111265), (1156, 106645), (1190, 103598), (1309, 94180), (1385, 89012), (1445, 85316), (1540, 80053), (1870, 65926), (1939, 63580), (2023, 60940), (2380, 51799), (2618, 47090), (2770, 44506), (2890, 42658), (3047, 40460), (3179, 38780), (3740, 32963), (3878, 31790), (4046, 30470), (4709, 26180), (5236, 23545), (5540, 22253), (5780, 21329), (6094, 20230), (6358, 19390), (6545, 18836), (7756, 15895), (8092, 15235), (9418, 13090), (9695, 12716), (10115, 12188)]