40507920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:589

約数の個数: 120

約数和(自身を含む): 137419776

約数和(自身を除く): 96911856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 127, 144, 180, 240, 254, 360, 381, 443, 508, 635, 720, 762, 886, 1016, 1143, 1270, 1329, 1524, 1772, 1905, 2032, 2215, 2286, 2540, 2658, 3048, 3544, 3810, 3987, 4430, 4572, 5080, 5316, 5715, 6096, 6645, 7088, 7620, 7974, 8860, 9144, 10160, 10632, 11430, 13290, 15240, 15948, 17720, 18288, 19935, 21264, 22860, 26580, 30480, 31896, 35440, 39870, 45720, 53160, 56261, 63792, 79740, 91440, 106320, 112522, 159480, 168783, 225044, 281305, 318960, 337566, 450088, 506349, 562610, 675132, 843915, 900176, 1012698, 1125220, 1350264, 1687830, 2025396, 2250440, 2531745, 2700528, 3375660, 4050792, 4500880, 5063490, 6751320, 8101584, 10126980, 13502640, 20253960, 40507920]

約数ペア:

[(1, 40507920), (2, 20253960), (3, 13502640), (4, 10126980), (5, 8101584), (6, 6751320), (8, 5063490), (9, 4500880), (10, 4050792), (12, 3375660), (15, 2700528), (16, 2531745), (18, 2250440), (20, 2025396), (24, 1687830), (30, 1350264), (36, 1125220), (40, 1012698), (45, 900176), (48, 843915), (60, 675132), (72, 562610), (80, 506349), (90, 450088), (120, 337566), (127, 318960), (144, 281305), (180, 225044), (240, 168783), (254, 159480), (360, 112522), (381, 106320), (443, 91440), (508, 79740), (635, 63792), (720, 56261), (762, 53160), (886, 45720), (1016, 39870), (1143, 35440), (1270, 31896), (1329, 30480), (1524, 26580), (1772, 22860), (1905, 21264), (2032, 19935), (2215, 18288), (2286, 17720), (2540, 15948), (2658, 15240), (3048, 13290), (3544, 11430), (3810, 10632), (3987, 10160), (4430, 9144), (4572, 8860), (5080, 7974), (5316, 7620), (5715, 7088), (6096, 6645)]