1020224800

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:228

約数の個数: 216

約数和(自身を含む): 3003932736

約数和(自身を除く): 1983707936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 46, 50, 56, 70, 80, 89, 92, 100, 112, 115, 140, 160, 161, 175, 178, 184, 200, 224, 230, 280, 322, 350, 356, 368, 400, 445, 460, 560, 575, 623, 644, 700, 712, 736, 800, 805, 890, 920, 1120, 1150, 1246, 1288, 1400, 1424, 1610, 1780, 1840, 2047, 2225, 2300, 2492, 2576, 2800, 2848, 3115, 3220, 3560, 3680, 4025, 4094, 4450, 4600, 4984, 5152, 5600, 6230, 6440, 7120, 7921, 8050, 8188, 8900, 9200, 9968, 10235, 12460, 12880, 14240, 14329, 15575, 15842, 16100, 16376, 17800, 18400, 19936, 20470, 24920, 25760, 28658, 31150, 31684, 32200, 32752, 35600, 39605, 40940, 49840, 51175, 55447, 57316, 62300, 63368, 64400, 65504, 71200, 71645, 79210, 81880, 99680, 102350, 110894, 114632, 124600, 126736, 128800, 143290, 158420, 163760, 182183, 198025, 204700, 221788, 229264, 249200, 253472, 277235, 286580, 316840, 327520, 358225, 364366, 396050, 409400, 443576, 458528, 498400, 554470, 573160, 633680, 716450, 728732, 792100, 818800, 887152, 910915, 1108940, 1146320, 1267360, 1275281, 1386175, 1432900, 1457464, 1584200, 1637600, 1774304, 1821830, 2217880, 2292640, 2550562, 2772350, 2865800, 2914928, 3168400, 3643660, 4435760, 4554575, 5101124, 5544700, 5731600, 5829856, 6336800, 6376405, 7287320, 8871520, 9109150, 10202248, 11089400, 11463200, 12752810, 14574640, 18218300, 20404496, 22178800, 25505620, 29149280, 31882025, 36436600, 40808992, 44357600, 51011240, 63764050, 72873200, 102022480, 127528100, 145746400, 204044960, 255056200, 510112400, 1020224800]

約数ペア:

[(1, 1020224800), (2, 510112400), (4, 255056200), (5, 204044960), (7, 145746400), (8, 127528100), (10, 102022480), (14, 72873200), (16, 63764050), (20, 51011240), (23, 44357600), (25, 40808992), (28, 36436600), (32, 31882025), (35, 29149280), (40, 25505620), (46, 22178800), (50, 20404496), (56, 18218300), (70, 14574640), (80, 12752810), (89, 11463200), (92, 11089400), (100, 10202248), (112, 9109150), (115, 8871520), (140, 7287320), (160, 6376405), (161, 6336800), (175, 5829856), (178, 5731600), (184, 5544700), (200, 5101124), (224, 4554575), (230, 4435760), (280, 3643660), (322, 3168400), (350, 2914928), (356, 2865800), (368, 2772350), (400, 2550562), (445, 2292640), (460, 2217880), (560, 1821830), (575, 1774304), (623, 1637600), (644, 1584200), (700, 1457464), (712, 1432900), (736, 1386175), (800, 1275281), (805, 1267360), (890, 1146320), (920, 1108940), (1120, 910915), (1150, 887152), (1246, 818800), (1288, 792100), (1400, 728732), (1424, 716450), (1610, 633680), (1780, 573160), (1840, 554470), (2047, 498400), (2225, 458528), (2300, 443576), (2492, 409400), (2576, 396050), (2800, 364366), (2848, 358225), (3115, 327520), (3220, 316840), (3560, 286580), (3680, 277235), (4025, 253472), (4094, 249200), (4450, 229264), (4600, 221788), (4984, 204700), (5152, 198025), (5600, 182183), (6230, 163760), (6440, 158420), (7120, 143290), (7921, 128800), (8050, 126736), (8188, 124600), (8900, 114632), (9200, 110894), (9968, 102350), (10235, 99680), (12460, 81880), (12880, 79210), (14240, 71645), (14329, 71200), (15575, 65504), (15842, 64400), (16100, 63368), (16376, 62300), (17800, 57316), (18400, 55447), (19936, 51175), (20470, 49840), (24920, 40940), (25760, 39605), (28658, 35600), (31150, 32752), (31684, 32200)]