256623360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9547}}^1$

素因数の和:9578

約数の個数: 144

約数和(自身を含む): 936773376

約数和(自身を除く): 680150016

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9547, 13440, 19094, 26880, 28641, 38188, 47735, 57282, 66829, 76376, 95470, 114564, 133658, 143205, 152752, 190940, 200487, 229128, 267316, 286410, 305504, 334145, 381880, 400974, 458256, 534632, 572820, 611008, 668290, 763760, 801948, 916512, 1002435, 1069264, 1145640, 1222016, 1336580, 1527520, 1603896, 1833024, 2004870, 2138528, 2291280, 2444032, 2673160, 3055040, 3207792, 3666048, 4009740, 4277056, 4582560, 5346320, 6110080, 6415584, 7332096, 8019480, 8554112, 9165120, 10692640, 12220160, 12831168, 16038960, 17108224, 18330240, 21385280, 25662336, 32077920, 36660480, 42770560, 51324672, 64155840, 85541120, 128311680, 256623360]

約数ペア:

[(1, 256623360), (2, 128311680), (3, 85541120), (4, 64155840), (5, 51324672), (6, 42770560), (7, 36660480), (8, 32077920), (10, 25662336), (12, 21385280), (14, 18330240), (15, 17108224), (16, 16038960), (20, 12831168), (21, 12220160), (24, 10692640), (28, 9165120), (30, 8554112), (32, 8019480), (35, 7332096), (40, 6415584), (42, 6110080), (48, 5346320), (56, 4582560), (60, 4277056), (64, 4009740), (70, 3666048), (80, 3207792), (84, 3055040), (96, 2673160), (105, 2444032), (112, 2291280), (120, 2138528), (128, 2004870), (140, 1833024), (160, 1603896), (168, 1527520), (192, 1336580), (210, 1222016), (224, 1145640), (240, 1069264), (256, 1002435), (280, 916512), (320, 801948), (336, 763760), (384, 668290), (420, 611008), (448, 572820), (480, 534632), (560, 458256), (640, 400974), (672, 381880), (768, 334145), (840, 305504), (896, 286410), (960, 267316), (1120, 229128), (1280, 200487), (1344, 190940), (1680, 152752), (1792, 143205), (1920, 133658), (2240, 114564), (2688, 95470), (3360, 76376), (3840, 66829), (4480, 57282), (5376, 47735), (6720, 38188), (8960, 28641), (9547, 26880), (13440, 19094)]