420800400

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{829}}^1$

素因数の和:903

約数の個数: 240

約数和(自身を含む): 1531449600

約数和(自身を除く): 1110649200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 47, 48, 50, 54, 60, 72, 75, 80, 90, 94, 100, 108, 120, 135, 141, 144, 150, 180, 188, 200, 216, 225, 235, 240, 270, 282, 300, 360, 376, 400, 423, 432, 450, 470, 540, 564, 600, 675, 705, 720, 752, 829, 846, 900, 940, 1080, 1128, 1175, 1200, 1269, 1350, 1410, 1658, 1692, 1800, 1880, 2115, 2160, 2256, 2350, 2487, 2538, 2700, 2820, 3316, 3384, 3525, 3600, 3760, 4145, 4230, 4700, 4974, 5076, 5400, 5640, 6345, 6632, 6768, 7050, 7461, 8290, 8460, 9400, 9948, 10152, 10575, 10800, 11280, 12435, 12690, 13264, 14100, 14922, 16580, 16920, 18800, 19896, 20304, 20725, 21150, 22383, 24870, 25380, 28200, 29844, 31725, 33160, 33840, 37305, 38963, 39792, 41450, 42300, 44766, 49740, 50760, 56400, 59688, 62175, 63450, 66320, 74610, 77926, 82900, 84600, 89532, 99480, 101520, 111915, 116889, 119376, 124350, 126900, 149220, 155852, 165800, 169200, 179064, 186525, 194815, 198960, 223830, 233778, 248700, 253800, 298440, 311704, 331600, 350667, 358128, 373050, 389630, 447660, 467556, 497400, 507600, 559575, 584445, 596880, 623408, 701334, 746100, 779260, 895320, 935112, 974075, 994800, 1052001, 1119150, 1168890, 1402668, 1492200, 1558520, 1753335, 1790640, 1870224, 1948150, 2104002, 2238300, 2337780, 2805336, 2922225, 2984400, 3117040, 3506670, 3896300, 4208004, 4476600, 4675560, 5260005, 5610672, 5844450, 7013340, 7792600, 8416008, 8766675, 8953200, 9351120, 10520010, 11688900, 14026680, 15585200, 16832016, 17533350, 21040020, 23377800, 26300025, 28053360, 35066700, 42080040, 46755600, 52600050, 70133400, 84160080, 105200100, 140266800, 210400200, 420800400]

約数ペア:

[(1, 420800400), (2, 210400200), (3, 140266800), (4, 105200100), (5, 84160080), (6, 70133400), (8, 52600050), (9, 46755600), (10, 42080040), (12, 35066700), (15, 28053360), (16, 26300025), (18, 23377800), (20, 21040020), (24, 17533350), (25, 16832016), (27, 15585200), (30, 14026680), (36, 11688900), (40, 10520010), (45, 9351120), (47, 8953200), (48, 8766675), (50, 8416008), (54, 7792600), (60, 7013340), (72, 5844450), (75, 5610672), (80, 5260005), (90, 4675560), (94, 4476600), (100, 4208004), (108, 3896300), (120, 3506670), (135, 3117040), (141, 2984400), (144, 2922225), (150, 2805336), (180, 2337780), (188, 2238300), (200, 2104002), (216, 1948150), (225, 1870224), (235, 1790640), (240, 1753335), (270, 1558520), (282, 1492200), (300, 1402668), (360, 1168890), (376, 1119150), (400, 1052001), (423, 994800), (432, 974075), (450, 935112), (470, 895320), (540, 779260), (564, 746100), (600, 701334), (675, 623408), (705, 596880), (720, 584445), (752, 559575), (829, 507600), (846, 497400), (900, 467556), (940, 447660), (1080, 389630), (1128, 373050), (1175, 358128), (1200, 350667), (1269, 331600), (1350, 311704), (1410, 298440), (1658, 253800), (1692, 248700), (1800, 233778), (1880, 223830), (2115, 198960), (2160, 194815), (2256, 186525), (2350, 179064), (2487, 169200), (2538, 165800), (2700, 155852), (2820, 149220), (3316, 126900), (3384, 124350), (3525, 119376), (3600, 116889), (3760, 111915), (4145, 101520), (4230, 99480), (4700, 89532), (4974, 84600), (5076, 82900), (5400, 77926), (5640, 74610), (6345, 66320), (6632, 63450), (6768, 62175), (7050, 59688), (7461, 56400), (8290, 50760), (8460, 49740), (9400, 44766), (9948, 42300), (10152, 41450), (10575, 39792), (10800, 38963), (11280, 37305), (12435, 33840), (12690, 33160), (13264, 31725), (14100, 29844), (14922, 28200), (16580, 25380), (16920, 24870), (18800, 22383), (19896, 21150), (20304, 20725)]