21992400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:214

約数の個数: 180

約数和(自身を含む): 78705900

約数和(自身を除く): 56713500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 41, 45, 48, 50, 60, 72, 75, 80, 82, 90, 100, 120, 123, 144, 149, 150, 164, 180, 200, 205, 225, 240, 246, 298, 300, 328, 360, 369, 400, 410, 447, 450, 492, 596, 600, 615, 656, 720, 738, 745, 820, 894, 900, 984, 1025, 1192, 1200, 1230, 1341, 1476, 1490, 1640, 1788, 1800, 1845, 1968, 2050, 2235, 2384, 2460, 2682, 2952, 2980, 3075, 3280, 3576, 3600, 3690, 3725, 4100, 4470, 4920, 5364, 5904, 5960, 6109, 6150, 6705, 7152, 7380, 7450, 8200, 8940, 9225, 9840, 10728, 11175, 11920, 12218, 12300, 13410, 14760, 14900, 16400, 17880, 18327, 18450, 21456, 22350, 24436, 24600, 26820, 29520, 29800, 30545, 33525, 35760, 36654, 36900, 44700, 48872, 49200, 53640, 54981, 59600, 61090, 67050, 73308, 73800, 89400, 91635, 97744, 107280, 109962, 122180, 134100, 146616, 147600, 152725, 178800, 183270, 219924, 244360, 268200, 274905, 293232, 305450, 366540, 439848, 458175, 488720, 536400, 549810, 610900, 733080, 879696, 916350, 1099620, 1221800, 1374525, 1466160, 1832700, 2199240, 2443600, 2749050, 3665400, 4398480, 5498100, 7330800, 10996200, 21992400]

約数ペア:

[(1, 21992400), (2, 10996200), (3, 7330800), (4, 5498100), (5, 4398480), (6, 3665400), (8, 2749050), (9, 2443600), (10, 2199240), (12, 1832700), (15, 1466160), (16, 1374525), (18, 1221800), (20, 1099620), (24, 916350), (25, 879696), (30, 733080), (36, 610900), (40, 549810), (41, 536400), (45, 488720), (48, 458175), (50, 439848), (60, 366540), (72, 305450), (75, 293232), (80, 274905), (82, 268200), (90, 244360), (100, 219924), (120, 183270), (123, 178800), (144, 152725), (149, 147600), (150, 146616), (164, 134100), (180, 122180), (200, 109962), (205, 107280), (225, 97744), (240, 91635), (246, 89400), (298, 73800), (300, 73308), (328, 67050), (360, 61090), (369, 59600), (400, 54981), (410, 53640), (447, 49200), (450, 48872), (492, 44700), (596, 36900), (600, 36654), (615, 35760), (656, 33525), (720, 30545), (738, 29800), (745, 29520), (820, 26820), (894, 24600), (900, 24436), (984, 22350), (1025, 21456), (1192, 18450), (1200, 18327), (1230, 17880), (1341, 16400), (1476, 14900), (1490, 14760), (1640, 13410), (1788, 12300), (1800, 12218), (1845, 11920), (1968, 11175), (2050, 10728), (2235, 9840), (2384, 9225), (2460, 8940), (2682, 8200), (2952, 7450), (2980, 7380), (3075, 7152), (3280, 6705), (3576, 6150), (3600, 6109), (3690, 5960), (3725, 5904), (4100, 5364), (4470, 4920)]