408089920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^2$

素因数の和:225

約数の個数: 168

約数和(自身を含む): 1172041344

約数和(自身を除く): 763951424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 89, 92, 112, 115, 140, 160, 161, 178, 184, 224, 230, 280, 320, 322, 356, 368, 445, 448, 460, 560, 623, 644, 712, 736, 805, 890, 920, 1120, 1246, 1288, 1424, 1472, 1610, 1780, 1840, 2047, 2240, 2492, 2576, 2848, 3115, 3220, 3560, 3680, 4094, 4984, 5152, 5696, 6230, 6440, 7120, 7360, 7921, 8188, 9968, 10235, 10304, 12460, 12880, 14240, 14329, 15842, 16376, 19936, 20470, 24920, 25760, 28480, 28658, 31684, 32752, 39605, 39872, 40940, 49840, 51520, 55447, 57316, 63368, 65504, 71645, 79210, 81880, 99680, 110894, 114632, 126736, 131008, 143290, 158420, 163760, 182183, 199360, 221788, 229264, 253472, 277235, 286580, 316840, 327520, 364366, 443576, 458528, 506944, 554470, 573160, 633680, 655040, 728732, 887152, 910915, 917056, 1108940, 1146320, 1267360, 1275281, 1457464, 1774304, 1821830, 2217880, 2292640, 2534720, 2550562, 2914928, 3548608, 3643660, 4435760, 4585280, 5101124, 5829856, 6376405, 7287320, 8871520, 10202248, 11659712, 12752810, 14574640, 17743040, 20404496, 25505620, 29149280, 40808992, 51011240, 58298560, 81617984, 102022480, 204044960, 408089920]

約数ペア:

[(1, 408089920), (2, 204044960), (4, 102022480), (5, 81617984), (7, 58298560), (8, 51011240), (10, 40808992), (14, 29149280), (16, 25505620), (20, 20404496), (23, 17743040), (28, 14574640), (32, 12752810), (35, 11659712), (40, 10202248), (46, 8871520), (56, 7287320), (64, 6376405), (70, 5829856), (80, 5101124), (89, 4585280), (92, 4435760), (112, 3643660), (115, 3548608), (140, 2914928), (160, 2550562), (161, 2534720), (178, 2292640), (184, 2217880), (224, 1821830), (230, 1774304), (280, 1457464), (320, 1275281), (322, 1267360), (356, 1146320), (368, 1108940), (445, 917056), (448, 910915), (460, 887152), (560, 728732), (623, 655040), (644, 633680), (712, 573160), (736, 554470), (805, 506944), (890, 458528), (920, 443576), (1120, 364366), (1246, 327520), (1288, 316840), (1424, 286580), (1472, 277235), (1610, 253472), (1780, 229264), (1840, 221788), (2047, 199360), (2240, 182183), (2492, 163760), (2576, 158420), (2848, 143290), (3115, 131008), (3220, 126736), (3560, 114632), (3680, 110894), (4094, 99680), (4984, 81880), (5152, 79210), (5696, 71645), (6230, 65504), (6440, 63368), (7120, 57316), (7360, 55447), (7921, 51520), (8188, 49840), (9968, 40940), (10235, 39872), (10304, 39605), (12460, 32752), (12880, 31684), (14240, 28658), (14329, 28480), (15842, 25760), (16376, 24920), (19936, 20470)]