138231240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 192

約数和(自身を含む): 490665600

約数和(自身を除く): 352434360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 56, 60, 70, 84, 86, 89, 105, 120, 129, 140, 168, 172, 178, 210, 215, 258, 267, 280, 301, 344, 356, 420, 430, 445, 516, 534, 602, 623, 645, 712, 840, 860, 890, 903, 1032, 1068, 1204, 1246, 1290, 1335, 1505, 1720, 1780, 1806, 1849, 1869, 2136, 2408, 2492, 2580, 2670, 3010, 3115, 3560, 3612, 3698, 3738, 3827, 4515, 4984, 5160, 5340, 5547, 6020, 6230, 7224, 7396, 7476, 7654, 9030, 9245, 9345, 10680, 11094, 11481, 12040, 12460, 12943, 14792, 14952, 15308, 18060, 18490, 18690, 19135, 22188, 22962, 24920, 25886, 26789, 27735, 30616, 36120, 36980, 37380, 38270, 38829, 44376, 45924, 51772, 53578, 55470, 57405, 64715, 73960, 74760, 76540, 77658, 80367, 91848, 103544, 107156, 110940, 114810, 129430, 133945, 153080, 155316, 160734, 164561, 194145, 214312, 221880, 229620, 258860, 267890, 310632, 321468, 329122, 388290, 401835, 459240, 493683, 517720, 535780, 642936, 658244, 776580, 803670, 822805, 987366, 1071560, 1151927, 1316488, 1553160, 1607340, 1645610, 1974732, 2303854, 2468415, 3214680, 3291220, 3455781, 3949464, 4607708, 4936830, 5759635, 6582440, 6911562, 9215416, 9873660, 11519270, 13823124, 17278905, 19747320, 23038540, 27646248, 34557810, 46077080, 69115620, 138231240]

約数ペア:

[(1, 138231240), (2, 69115620), (3, 46077080), (4, 34557810), (5, 27646248), (6, 23038540), (7, 19747320), (8, 17278905), (10, 13823124), (12, 11519270), (14, 9873660), (15, 9215416), (20, 6911562), (21, 6582440), (24, 5759635), (28, 4936830), (30, 4607708), (35, 3949464), (40, 3455781), (42, 3291220), (43, 3214680), (56, 2468415), (60, 2303854), (70, 1974732), (84, 1645610), (86, 1607340), (89, 1553160), (105, 1316488), (120, 1151927), (129, 1071560), (140, 987366), (168, 822805), (172, 803670), (178, 776580), (210, 658244), (215, 642936), (258, 535780), (267, 517720), (280, 493683), (301, 459240), (344, 401835), (356, 388290), (420, 329122), (430, 321468), (445, 310632), (516, 267890), (534, 258860), (602, 229620), (623, 221880), (645, 214312), (712, 194145), (840, 164561), (860, 160734), (890, 155316), (903, 153080), (1032, 133945), (1068, 129430), (1204, 114810), (1246, 110940), (1290, 107156), (1335, 103544), (1505, 91848), (1720, 80367), (1780, 77658), (1806, 76540), (1849, 74760), (1869, 73960), (2136, 64715), (2408, 57405), (2492, 55470), (2580, 53578), (2670, 51772), (3010, 45924), (3115, 44376), (3560, 38829), (3612, 38270), (3698, 37380), (3738, 36980), (3827, 36120), (4515, 30616), (4984, 27735), (5160, 26789), (5340, 25886), (5547, 24920), (6020, 22962), (6230, 22188), (7224, 19135), (7396, 18690), (7476, 18490), (7654, 18060), (9030, 15308), (9245, 14952), (9345, 14792), (10680, 12943), (11094, 12460), (11481, 12040)]