638258400

素因数分解:

$2^5\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2273}}^1$

素因数の和:2315

約数の個数: 288

約数和(自身を含む): 2487028320

約数和(自身を除く): 1848769920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 25, 26, 27, 30, 32, 36, 39, 40, 45, 48, 50, 52, 54, 60, 65, 72, 75, 78, 80, 90, 96, 100, 104, 108, 117, 120, 130, 135, 144, 150, 156, 160, 180, 195, 200, 208, 216, 225, 234, 240, 260, 270, 288, 300, 312, 325, 351, 360, 390, 400, 416, 432, 450, 468, 480, 520, 540, 585, 600, 624, 650, 675, 702, 720, 780, 800, 864, 900, 936, 975, 1040, 1080, 1170, 1200, 1248, 1300, 1350, 1404, 1440, 1560, 1755, 1800, 1872, 1950, 2080, 2160, 2273, 2340, 2400, 2600, 2700, 2808, 2925, 3120, 3510, 3600, 3744, 3900, 4320, 4546, 4680, 5200, 5400, 5616, 5850, 6240, 6819, 7020, 7200, 7800, 8775, 9092, 9360, 10400, 10800, 11232, 11365, 11700, 13638, 14040, 15600, 17550, 18184, 18720, 20457, 21600, 22730, 23400, 27276, 28080, 29549, 31200, 34095, 35100, 36368, 40914, 45460, 46800, 54552, 56160, 56825, 59098, 61371, 68190, 70200, 72736, 81828, 88647, 90920, 93600, 102285, 109104, 113650, 118196, 122742, 136380, 140400, 147745, 163656, 170475, 177294, 181840, 204570, 218208, 227300, 236392, 245484, 265941, 272760, 280800, 295490, 306855, 327312, 340950, 354588, 363680, 409140, 443235, 454600, 472784, 490968, 511425, 531882, 545520, 590980, 613710, 654624, 681900, 709176, 738725, 797823, 818280, 886470, 909200, 945568, 981936, 1022850, 1063764, 1091040, 1181960, 1227420, 1329705, 1363800, 1418352, 1477450, 1534275, 1595646, 1636560, 1772940, 1818400, 1963872, 2045700, 2127528, 2216175, 2363920, 2454840, 2659410, 2727600, 2836704, 2954900, 3068550, 3191292, 3273120, 3545880, 3989115, 4091400, 4255056, 4432350, 4727840, 4909680, 5318820, 5455200, 5909800, 6137100, 6382584, 6648525, 7091760, 7978230, 8182800, 8510112, 8864700, 9819360, 10637640, 11819600, 12274200, 12765168, 13297050, 14183520, 15956460, 16365600, 17729400, 19945575, 21275280, 23639200, 24548400, 25530336, 26594100, 31912920, 35458800, 39891150, 42550560, 49096800, 53188200, 63825840, 70917600, 79782300, 106376400, 127651680, 159564600, 212752800, 319129200, 638258400]

約数ペア:

[(1, 638258400), (2, 319129200), (3, 212752800), (4, 159564600), (5, 127651680), (6, 106376400), (8, 79782300), (9, 70917600), (10, 63825840), (12, 53188200), (13, 49096800), (15, 42550560), (16, 39891150), (18, 35458800), (20, 31912920), (24, 26594100), (25, 25530336), (26, 24548400), (27, 23639200), (30, 21275280), (32, 19945575), (36, 17729400), (39, 16365600), (40, 15956460), (45, 14183520), (48, 13297050), (50, 12765168), (52, 12274200), (54, 11819600), (60, 10637640), (65, 9819360), (72, 8864700), (75, 8510112), (78, 8182800), (80, 7978230), (90, 7091760), (96, 6648525), (100, 6382584), (104, 6137100), (108, 5909800), (117, 5455200), (120, 5318820), (130, 4909680), (135, 4727840), (144, 4432350), (150, 4255056), (156, 4091400), (160, 3989115), (180, 3545880), (195, 3273120), (200, 3191292), (208, 3068550), (216, 2954900), (225, 2836704), (234, 2727600), (240, 2659410), (260, 2454840), (270, 2363920), (288, 2216175), (300, 2127528), (312, 2045700), (325, 1963872), (351, 1818400), (360, 1772940), (390, 1636560), (400, 1595646), (416, 1534275), (432, 1477450), (450, 1418352), (468, 1363800), (480, 1329705), (520, 1227420), (540, 1181960), (585, 1091040), (600, 1063764), (624, 1022850), (650, 981936), (675, 945568), (702, 909200), (720, 886470), (780, 818280), (800, 797823), (864, 738725), (900, 709176), (936, 681900), (975, 654624), (1040, 613710), (1080, 590980), (1170, 545520), (1200, 531882), (1248, 511425), (1300, 490968), (1350, 472784), (1404, 454600), (1440, 443235), (1560, 409140), (1755, 363680), (1800, 354588), (1872, 340950), (1950, 327312), (2080, 306855), (2160, 295490), (2273, 280800), (2340, 272760), (2400, 265941), (2600, 245484), (2700, 236392), (2808, 227300), (2925, 218208), (3120, 204570), (3510, 181840), (3600, 177294), (3744, 170475), (3900, 163656), (4320, 147745), (4546, 140400), (4680, 136380), (5200, 122742), (5400, 118196), (5616, 113650), (5850, 109104), (6240, 102285), (6819, 93600), (7020, 90920), (7200, 88647), (7800, 81828), (8775, 72736), (9092, 70200), (9360, 68190), (10400, 61371), (10800, 59098), (11232, 56825), (11365, 56160), (11700, 54552), (13638, 46800), (14040, 45460), (15600, 40914), (17550, 36368), (18184, 35100), (18720, 34095), (20457, 31200), (21600, 29549), (22730, 28080), (23400, 27276)]