1294758400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 240

約数和(自身を含む): 3580270848

約数和(自身を除く): 2285512448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 128, 130, 155, 160, 200, 208, 248, 251, 256, 260, 310, 320, 325, 400, 403, 416, 496, 502, 512, 520, 620, 640, 650, 775, 800, 806, 832, 992, 1004, 1040, 1240, 1255, 1280, 1300, 1550, 1600, 1612, 1664, 1984, 2008, 2015, 2080, 2480, 2510, 2560, 2600, 3100, 3200, 3224, 3263, 3328, 3968, 4016, 4030, 4160, 4960, 5020, 5200, 6200, 6275, 6400, 6448, 6526, 6656, 7781, 7936, 8032, 8060, 8320, 9920, 10040, 10075, 10400, 12400, 12550, 12800, 12896, 13052, 15562, 15872, 16064, 16120, 16315, 16640, 19840, 20080, 20150, 20800, 24800, 25100, 25792, 26104, 31124, 32128, 32240, 32630, 33280, 38905, 39680, 40160, 40300, 41600, 49600, 50200, 51584, 52208, 62248, 64256, 64480, 65260, 77810, 79360, 80320, 80600, 81575, 83200, 99200, 100400, 101153, 103168, 104416, 124496, 128512, 128960, 130520, 155620, 160640, 161200, 163150, 166400, 194525, 198400, 200800, 202306, 206336, 208832, 248992, 257920, 261040, 311240, 321280, 322400, 326300, 389050, 396800, 401600, 404612, 417664, 497984, 505765, 515840, 522080, 622480, 642560, 644800, 652600, 778100, 803200, 809224, 835328, 995968, 1011530, 1031680, 1044160, 1244960, 1289600, 1305200, 1556200, 1606400, 1618448, 1670656, 1991936, 2023060, 2088320, 2489920, 2528825, 2579200, 2610400, 3112400, 3212800, 3236896, 3983872, 4046120, 4176640, 4979840, 5057650, 5158400, 5220800, 6224800, 6473792, 8092240, 8353280, 9959680, 10115300, 10441600, 12449600, 12947584, 16184480, 19919360, 20230600, 20883200, 24899200, 25895168, 32368960, 40461200, 41766400, 49798400, 51790336, 64737920, 80922400, 99596800, 129475840, 161844800, 258951680, 323689600, 647379200, 1294758400]

約数ペア:

[(1, 1294758400), (2, 647379200), (4, 323689600), (5, 258951680), (8, 161844800), (10, 129475840), (13, 99596800), (16, 80922400), (20, 64737920), (25, 51790336), (26, 49798400), (31, 41766400), (32, 40461200), (40, 32368960), (50, 25895168), (52, 24899200), (62, 20883200), (64, 20230600), (65, 19919360), (80, 16184480), (100, 12947584), (104, 12449600), (124, 10441600), (128, 10115300), (130, 9959680), (155, 8353280), (160, 8092240), (200, 6473792), (208, 6224800), (248, 5220800), (251, 5158400), (256, 5057650), (260, 4979840), (310, 4176640), (320, 4046120), (325, 3983872), (400, 3236896), (403, 3212800), (416, 3112400), (496, 2610400), (502, 2579200), (512, 2528825), (520, 2489920), (620, 2088320), (640, 2023060), (650, 1991936), (775, 1670656), (800, 1618448), (806, 1606400), (832, 1556200), (992, 1305200), (1004, 1289600), (1040, 1244960), (1240, 1044160), (1255, 1031680), (1280, 1011530), (1300, 995968), (1550, 835328), (1600, 809224), (1612, 803200), (1664, 778100), (1984, 652600), (2008, 644800), (2015, 642560), (2080, 622480), (2480, 522080), (2510, 515840), (2560, 505765), (2600, 497984), (3100, 417664), (3200, 404612), (3224, 401600), (3263, 396800), (3328, 389050), (3968, 326300), (4016, 322400), (4030, 321280), (4160, 311240), (4960, 261040), (5020, 257920), (5200, 248992), (6200, 208832), (6275, 206336), (6400, 202306), (6448, 200800), (6526, 198400), (6656, 194525), (7781, 166400), (7936, 163150), (8032, 161200), (8060, 160640), (8320, 155620), (9920, 130520), (10040, 128960), (10075, 128512), (10400, 124496), (12400, 104416), (12550, 103168), (12800, 101153), (12896, 100400), (13052, 99200), (15562, 83200), (15872, 81575), (16064, 80600), (16120, 80320), (16315, 79360), (16640, 77810), (19840, 65260), (20080, 64480), (20150, 64256), (20800, 62248), (24800, 52208), (25100, 51584), (25792, 50200), (26104, 49600), (31124, 41600), (32128, 40300), (32240, 40160), (32630, 39680), (33280, 38905)]