40407780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 139345920

約数和(自身を除く): 98938140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 47, 60, 69, 70, 84, 89, 92, 94, 105, 115, 138, 140, 141, 161, 178, 188, 210, 230, 235, 267, 276, 282, 322, 329, 345, 356, 420, 445, 460, 470, 483, 534, 564, 623, 644, 658, 690, 705, 805, 890, 940, 966, 987, 1068, 1081, 1246, 1316, 1335, 1380, 1410, 1610, 1645, 1780, 1869, 1932, 1974, 2047, 2162, 2415, 2492, 2670, 2820, 3115, 3220, 3243, 3290, 3738, 3948, 4094, 4183, 4324, 4830, 4935, 5340, 5405, 6141, 6230, 6486, 6580, 7476, 7567, 8188, 8366, 9345, 9660, 9870, 10235, 10810, 12282, 12460, 12549, 12972, 14329, 15134, 16215, 16732, 18690, 19740, 20470, 20915, 21620, 22701, 24564, 25098, 28658, 29281, 30268, 30705, 32430, 37380, 37835, 40940, 41830, 42987, 45402, 50196, 57316, 58562, 61410, 62745, 64860, 71645, 75670, 83660, 85974, 87843, 90804, 96209, 113505, 117124, 122820, 125490, 143290, 146405, 151340, 171948, 175686, 192418, 214935, 227010, 250980, 286580, 288627, 292810, 351372, 384836, 429870, 439215, 454020, 481045, 577254, 585620, 673463, 859740, 878430, 962090, 1154508, 1346926, 1443135, 1756860, 1924180, 2020389, 2693852, 2886270, 3367315, 4040778, 5772540, 6734630, 8081556, 10101945, 13469260, 20203890, 40407780]

約数ペア:

[(1, 40407780), (2, 20203890), (3, 13469260), (4, 10101945), (5, 8081556), (6, 6734630), (7, 5772540), (10, 4040778), (12, 3367315), (14, 2886270), (15, 2693852), (20, 2020389), (21, 1924180), (23, 1756860), (28, 1443135), (30, 1346926), (35, 1154508), (42, 962090), (46, 878430), (47, 859740), (60, 673463), (69, 585620), (70, 577254), (84, 481045), (89, 454020), (92, 439215), (94, 429870), (105, 384836), (115, 351372), (138, 292810), (140, 288627), (141, 286580), (161, 250980), (178, 227010), (188, 214935), (210, 192418), (230, 175686), (235, 171948), (267, 151340), (276, 146405), (282, 143290), (322, 125490), (329, 122820), (345, 117124), (356, 113505), (420, 96209), (445, 90804), (460, 87843), (470, 85974), (483, 83660), (534, 75670), (564, 71645), (623, 64860), (644, 62745), (658, 61410), (690, 58562), (705, 57316), (805, 50196), (890, 45402), (940, 42987), (966, 41830), (987, 40940), (1068, 37835), (1081, 37380), (1246, 32430), (1316, 30705), (1335, 30268), (1380, 29281), (1410, 28658), (1610, 25098), (1645, 24564), (1780, 22701), (1869, 21620), (1932, 20915), (1974, 20470), (2047, 19740), (2162, 18690), (2415, 16732), (2492, 16215), (2670, 15134), (2820, 14329), (3115, 12972), (3220, 12549), (3243, 12460), (3290, 12282), (3738, 10810), (3948, 10235), (4094, 9870), (4183, 9660), (4324, 9345), (4830, 8366), (4935, 8188), (5340, 7567), (5405, 7476), (6141, 6580), (6230, 6486)]