225900720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:428

約数の個数: 240

約数和(自身を含む): 812448000

約数和(自身を除く): 586547280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 31, 36, 40, 45, 48, 58, 60, 62, 72, 80, 87, 90, 93, 116, 120, 124, 144, 145, 155, 174, 180, 186, 232, 240, 248, 261, 279, 290, 310, 348, 349, 360, 372, 435, 464, 465, 496, 522, 558, 580, 620, 696, 698, 720, 744, 870, 899, 930, 1044, 1047, 1116, 1160, 1240, 1305, 1392, 1395, 1396, 1488, 1740, 1745, 1798, 1860, 2088, 2094, 2232, 2320, 2480, 2610, 2697, 2790, 2792, 3141, 3480, 3490, 3596, 3720, 4176, 4188, 4464, 4495, 5220, 5235, 5394, 5580, 5584, 6282, 6960, 6980, 7192, 7440, 8091, 8376, 8990, 10121, 10440, 10470, 10788, 10819, 11160, 12564, 13485, 13960, 14384, 15705, 16182, 16752, 17980, 20242, 20880, 20940, 21576, 21638, 22320, 25128, 26970, 27920, 30363, 31410, 32364, 32457, 35960, 40455, 40484, 41880, 43152, 43276, 50256, 50605, 53940, 54095, 60726, 62820, 64728, 64914, 71920, 80910, 80968, 83760, 86552, 91089, 97371, 101210, 107880, 108190, 121452, 125640, 129456, 129828, 151815, 161820, 161936, 162285, 173104, 182178, 194742, 202420, 215760, 216380, 242904, 251280, 259656, 303630, 313751, 323640, 324570, 364356, 389484, 404840, 432760, 455445, 485808, 486855, 519312, 607260, 627502, 647280, 649140, 728712, 778968, 809680, 865520, 910890, 941253, 973710, 1214520, 1255004, 1298280, 1457424, 1557936, 1568755, 1821780, 1882506, 1947420, 2429040, 2510008, 2596560, 2823759, 3137510, 3643560, 3765012, 3894840, 4706265, 5020016, 5647518, 6275020, 7287120, 7530024, 7789680, 9412530, 11295036, 12550040, 14118795, 15060048, 18825060, 22590072, 25100080, 28237590, 37650120, 45180144, 56475180, 75300240, 112950360, 225900720]

約数ペア:

[(1, 225900720), (2, 112950360), (3, 75300240), (4, 56475180), (5, 45180144), (6, 37650120), (8, 28237590), (9, 25100080), (10, 22590072), (12, 18825060), (15, 15060048), (16, 14118795), (18, 12550040), (20, 11295036), (24, 9412530), (29, 7789680), (30, 7530024), (31, 7287120), (36, 6275020), (40, 5647518), (45, 5020016), (48, 4706265), (58, 3894840), (60, 3765012), (62, 3643560), (72, 3137510), (80, 2823759), (87, 2596560), (90, 2510008), (93, 2429040), (116, 1947420), (120, 1882506), (124, 1821780), (144, 1568755), (145, 1557936), (155, 1457424), (174, 1298280), (180, 1255004), (186, 1214520), (232, 973710), (240, 941253), (248, 910890), (261, 865520), (279, 809680), (290, 778968), (310, 728712), (348, 649140), (349, 647280), (360, 627502), (372, 607260), (435, 519312), (464, 486855), (465, 485808), (496, 455445), (522, 432760), (558, 404840), (580, 389484), (620, 364356), (696, 324570), (698, 323640), (720, 313751), (744, 303630), (870, 259656), (899, 251280), (930, 242904), (1044, 216380), (1047, 215760), (1116, 202420), (1160, 194742), (1240, 182178), (1305, 173104), (1392, 162285), (1395, 161936), (1396, 161820), (1488, 151815), (1740, 129828), (1745, 129456), (1798, 125640), (1860, 121452), (2088, 108190), (2094, 107880), (2232, 101210), (2320, 97371), (2480, 91089), (2610, 86552), (2697, 83760), (2790, 80968), (2792, 80910), (3141, 71920), (3480, 64914), (3490, 64728), (3596, 62820), (3720, 60726), (4176, 54095), (4188, 53940), (4464, 50605), (4495, 50256), (5220, 43276), (5235, 43152), (5394, 41880), (5580, 40484), (5584, 40455), (6282, 35960), (6960, 32457), (6980, 32364), (7192, 31410), (7440, 30363), (8091, 27920), (8376, 26970), (8990, 25128), (10121, 22320), (10440, 21638), (10470, 21576), (10788, 20940), (10819, 20880), (11160, 20242), (12564, 17980), (13485, 16752), (13960, 16182), (14384, 15705)]