256368120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3203}}^1$

素因数の和:3269

約数の個数: 128

約数和(自身を含む): 830476800

約数和(自身を除く): 574108680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 29, 30, 40, 46, 58, 60, 69, 87, 92, 115, 116, 120, 138, 145, 174, 184, 230, 232, 276, 290, 345, 348, 435, 460, 552, 580, 667, 690, 696, 870, 920, 1160, 1334, 1380, 1740, 2001, 2668, 2760, 3203, 3335, 3480, 4002, 5336, 6406, 6670, 8004, 9609, 10005, 12812, 13340, 16008, 16015, 19218, 20010, 25624, 26680, 32030, 38436, 40020, 48045, 64060, 73669, 76872, 80040, 92887, 96090, 128120, 147338, 185774, 192180, 221007, 278661, 294676, 368345, 371548, 384360, 442014, 464435, 557322, 589352, 736690, 743096, 884028, 928870, 1105035, 1114644, 1393305, 1473380, 1768056, 1857740, 2136401, 2210070, 2229288, 2786610, 2946760, 3715480, 4272802, 4420140, 5573220, 6409203, 8545604, 8840280, 10682005, 11146440, 12818406, 17091208, 21364010, 25636812, 32046015, 42728020, 51273624, 64092030, 85456040, 128184060, 256368120]

約数ペア:

[(1, 256368120), (2, 128184060), (3, 85456040), (4, 64092030), (5, 51273624), (6, 42728020), (8, 32046015), (10, 25636812), (12, 21364010), (15, 17091208), (20, 12818406), (23, 11146440), (24, 10682005), (29, 8840280), (30, 8545604), (40, 6409203), (46, 5573220), (58, 4420140), (60, 4272802), (69, 3715480), (87, 2946760), (92, 2786610), (115, 2229288), (116, 2210070), (120, 2136401), (138, 1857740), (145, 1768056), (174, 1473380), (184, 1393305), (230, 1114644), (232, 1105035), (276, 928870), (290, 884028), (345, 743096), (348, 736690), (435, 589352), (460, 557322), (552, 464435), (580, 442014), (667, 384360), (690, 371548), (696, 368345), (870, 294676), (920, 278661), (1160, 221007), (1334, 192180), (1380, 185774), (1740, 147338), (2001, 128120), (2668, 96090), (2760, 92887), (3203, 80040), (3335, 76872), (3480, 73669), (4002, 64060), (5336, 48045), (6406, 40020), (6670, 38436), (8004, 32030), (9609, 26680), (10005, 25624), (12812, 20010), (13340, 19218), (16008, 16015)]