2561112400

素因数分解:

$2^4\times 5^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1697}}^1$

素因数の和:1747

約数の個数: 240

約数和(自身を含む): 7832534400

約数和(自身を除く): 5271422000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 35, 40, 44, 49, 50, 55, 56, 70, 77, 80, 88, 98, 100, 110, 112, 140, 154, 175, 176, 196, 200, 220, 245, 275, 280, 308, 343, 350, 385, 392, 400, 440, 490, 539, 550, 560, 616, 686, 700, 770, 784, 880, 980, 1078, 1100, 1225, 1232, 1372, 1400, 1540, 1697, 1715, 1925, 1960, 2156, 2200, 2450, 2695, 2744, 2800, 3080, 3394, 3430, 3773, 3850, 3920, 4312, 4400, 4900, 5390, 5488, 6160, 6788, 6860, 7546, 7700, 8485, 8575, 8624, 9800, 10780, 11879, 13475, 13576, 13720, 15092, 15400, 16970, 17150, 18667, 18865, 19600, 21560, 23758, 26950, 27152, 27440, 30184, 30800, 33940, 34300, 37334, 37730, 42425, 43120, 47516, 53900, 59395, 60368, 67880, 68600, 74668, 75460, 83153, 84850, 93335, 94325, 95032, 107800, 118790, 130669, 135760, 137200, 149336, 150920, 166306, 169700, 186670, 188650, 190064, 215600, 237580, 261338, 296975, 298672, 301840, 332612, 339400, 373340, 377300, 415765, 466675, 475160, 522676, 582071, 593950, 653345, 665224, 678800, 746680, 754600, 831530, 914683, 933350, 950320, 1045352, 1164142, 1187900, 1306690, 1330448, 1493360, 1509200, 1663060, 1829366, 1866700, 2078825, 2090704, 2328284, 2375800, 2613380, 2910355, 3266725, 3326120, 3658732, 3733400, 4157650, 4573415, 4656568, 4751600, 5226760, 5820710, 6402781, 6533450, 6652240, 7317464, 7466800, 8315300, 9146830, 9313136, 10453520, 11641420, 12805562, 13066900, 14551775, 14634928, 16630600, 18293660, 22867075, 23282840, 25611124, 26133800, 29103550, 32013905, 33261200, 36587320, 45734150, 46565680, 51222248, 52267600, 58207100, 64027810, 73174640, 91468300, 102444496, 116414200, 128055620, 160069525, 182936600, 232828400, 256111240, 320139050, 365873200, 512222480, 640278100, 1280556200, 2561112400]

約数ペア:

[(1, 2561112400), (2, 1280556200), (4, 640278100), (5, 512222480), (7, 365873200), (8, 320139050), (10, 256111240), (11, 232828400), (14, 182936600), (16, 160069525), (20, 128055620), (22, 116414200), (25, 102444496), (28, 91468300), (35, 73174640), (40, 64027810), (44, 58207100), (49, 52267600), (50, 51222248), (55, 46565680), (56, 45734150), (70, 36587320), (77, 33261200), (80, 32013905), (88, 29103550), (98, 26133800), (100, 25611124), (110, 23282840), (112, 22867075), (140, 18293660), (154, 16630600), (175, 14634928), (176, 14551775), (196, 13066900), (200, 12805562), (220, 11641420), (245, 10453520), (275, 9313136), (280, 9146830), (308, 8315300), (343, 7466800), (350, 7317464), (385, 6652240), (392, 6533450), (400, 6402781), (440, 5820710), (490, 5226760), (539, 4751600), (550, 4656568), (560, 4573415), (616, 4157650), (686, 3733400), (700, 3658732), (770, 3326120), (784, 3266725), (880, 2910355), (980, 2613380), (1078, 2375800), (1100, 2328284), (1225, 2090704), (1232, 2078825), (1372, 1866700), (1400, 1829366), (1540, 1663060), (1697, 1509200), (1715, 1493360), (1925, 1330448), (1960, 1306690), (2156, 1187900), (2200, 1164142), (2450, 1045352), (2695, 950320), (2744, 933350), (2800, 914683), (3080, 831530), (3394, 754600), (3430, 746680), (3773, 678800), (3850, 665224), (3920, 653345), (4312, 593950), (4400, 582071), (4900, 522676), (5390, 475160), (5488, 466675), (6160, 415765), (6788, 377300), (6860, 373340), (7546, 339400), (7700, 332612), (8485, 301840), (8575, 298672), (8624, 296975), (9800, 261338), (10780, 237580), (11879, 215600), (13475, 190064), (13576, 188650), (13720, 186670), (15092, 169700), (15400, 166306), (16970, 150920), (17150, 149336), (18667, 137200), (18865, 135760), (19600, 130669), (21560, 118790), (23758, 107800), (26950, 95032), (27152, 94325), (27440, 93335), (30184, 84850), (30800, 83153), (33940, 75460), (34300, 74668), (37334, 68600), (37730, 67880), (42425, 60368), (43120, 59395), (47516, 53900)]