28256400

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 180

約数和(自身を含む): 100743552

約数和(自身を除く): 72487152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 36, 40, 45, 47, 48, 50, 60, 72, 75, 80, 90, 94, 100, 120, 141, 144, 150, 167, 180, 188, 200, 225, 235, 240, 282, 300, 334, 360, 376, 400, 423, 450, 470, 501, 564, 600, 668, 705, 720, 752, 835, 846, 900, 940, 1002, 1128, 1175, 1200, 1336, 1410, 1503, 1670, 1692, 1800, 1880, 2004, 2115, 2256, 2350, 2505, 2672, 2820, 3006, 3340, 3384, 3525, 3600, 3760, 4008, 4175, 4230, 4700, 5010, 5640, 6012, 6680, 6768, 7050, 7515, 7849, 8016, 8350, 8460, 9400, 10020, 10575, 11280, 12024, 12525, 13360, 14100, 15030, 15698, 16700, 16920, 18800, 20040, 21150, 23547, 24048, 25050, 28200, 30060, 31396, 33400, 33840, 37575, 39245, 40080, 42300, 47094, 50100, 56400, 60120, 62792, 66800, 70641, 75150, 78490, 84600, 94188, 100200, 117735, 120240, 125584, 141282, 150300, 156980, 169200, 188376, 196225, 200400, 235470, 282564, 300600, 313960, 353205, 376752, 392450, 470940, 565128, 588675, 601200, 627920, 706410, 784900, 941880, 1130256, 1177350, 1412820, 1569800, 1766025, 1883760, 2354700, 2825640, 3139600, 3532050, 4709400, 5651280, 7064100, 9418800, 14128200, 28256400]

約数ペア:

[(1, 28256400), (2, 14128200), (3, 9418800), (4, 7064100), (5, 5651280), (6, 4709400), (8, 3532050), (9, 3139600), (10, 2825640), (12, 2354700), (15, 1883760), (16, 1766025), (18, 1569800), (20, 1412820), (24, 1177350), (25, 1130256), (30, 941880), (36, 784900), (40, 706410), (45, 627920), (47, 601200), (48, 588675), (50, 565128), (60, 470940), (72, 392450), (75, 376752), (80, 353205), (90, 313960), (94, 300600), (100, 282564), (120, 235470), (141, 200400), (144, 196225), (150, 188376), (167, 169200), (180, 156980), (188, 150300), (200, 141282), (225, 125584), (235, 120240), (240, 117735), (282, 100200), (300, 94188), (334, 84600), (360, 78490), (376, 75150), (400, 70641), (423, 66800), (450, 62792), (470, 60120), (501, 56400), (564, 50100), (600, 47094), (668, 42300), (705, 40080), (720, 39245), (752, 37575), (835, 33840), (846, 33400), (900, 31396), (940, 30060), (1002, 28200), (1128, 25050), (1175, 24048), (1200, 23547), (1336, 21150), (1410, 20040), (1503, 18800), (1670, 16920), (1692, 16700), (1800, 15698), (1880, 15030), (2004, 14100), (2115, 13360), (2256, 12525), (2350, 12024), (2505, 11280), (2672, 10575), (2820, 10020), (3006, 9400), (3340, 8460), (3384, 8350), (3525, 8016), (3600, 7849), (3760, 7515), (4008, 7050), (4175, 6768), (4230, 6680), (4700, 6012), (5010, 5640)]