256912800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{167}}^1\times {\mathrm{641}}^1$

素因数の和:831

約数の個数: 144

約数和(自身を含む): 842571072

約数和(自身を除く): 585658272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 167, 200, 240, 300, 334, 400, 480, 501, 600, 641, 668, 800, 835, 1002, 1200, 1282, 1336, 1670, 1923, 2004, 2400, 2505, 2564, 2672, 3205, 3340, 3846, 4008, 4175, 5010, 5128, 5344, 6410, 6680, 7692, 8016, 8350, 9615, 10020, 10256, 12525, 12820, 13360, 15384, 16025, 16032, 16700, 19230, 20040, 20512, 25050, 25640, 26720, 30768, 32050, 33400, 38460, 40080, 48075, 50100, 51280, 61536, 64100, 66800, 76920, 80160, 96150, 100200, 102560, 107047, 128200, 133600, 153840, 192300, 200400, 214094, 256400, 307680, 321141, 384600, 400800, 428188, 512800, 535235, 642282, 769200, 856376, 1070470, 1284564, 1538400, 1605705, 1712752, 2140940, 2569128, 2676175, 3211410, 3425504, 4281880, 5138256, 5352350, 6422820, 8028525, 8563760, 10276512, 10704700, 12845640, 16057050, 17127520, 21409400, 25691280, 32114100, 42818800, 51382560, 64228200, 85637600, 128456400, 256912800]

約数ペア:

[(1, 256912800), (2, 128456400), (3, 85637600), (4, 64228200), (5, 51382560), (6, 42818800), (8, 32114100), (10, 25691280), (12, 21409400), (15, 17127520), (16, 16057050), (20, 12845640), (24, 10704700), (25, 10276512), (30, 8563760), (32, 8028525), (40, 6422820), (48, 5352350), (50, 5138256), (60, 4281880), (75, 3425504), (80, 3211410), (96, 2676175), (100, 2569128), (120, 2140940), (150, 1712752), (160, 1605705), (167, 1538400), (200, 1284564), (240, 1070470), (300, 856376), (334, 769200), (400, 642282), (480, 535235), (501, 512800), (600, 428188), (641, 400800), (668, 384600), (800, 321141), (835, 307680), (1002, 256400), (1200, 214094), (1282, 200400), (1336, 192300), (1670, 153840), (1923, 133600), (2004, 128200), (2400, 107047), (2505, 102560), (2564, 100200), (2672, 96150), (3205, 80160), (3340, 76920), (3846, 66800), (4008, 64100), (4175, 61536), (5010, 51280), (5128, 50100), (5344, 48075), (6410, 40080), (6680, 38460), (7692, 33400), (8016, 32050), (8350, 30768), (9615, 26720), (10020, 25640), (10256, 25050), (12525, 20512), (12820, 20040), (13360, 19230), (15384, 16700), (16025, 16032)]