256085040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:755

約数の個数: 160

約数和(自身を含む): 846374400

約数和(自身を除く): 590289360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 89, 95, 114, 120, 152, 178, 190, 228, 240, 267, 285, 304, 356, 380, 445, 456, 534, 570, 631, 712, 760, 890, 912, 1068, 1140, 1262, 1335, 1424, 1520, 1691, 1780, 1893, 2136, 2280, 2524, 2670, 3155, 3382, 3560, 3786, 4272, 4560, 5048, 5073, 5340, 6310, 6764, 7120, 7572, 8455, 9465, 10096, 10146, 10680, 11989, 12620, 13528, 15144, 16910, 18930, 20292, 21360, 23978, 25240, 25365, 27056, 30288, 33820, 35967, 37860, 40584, 47956, 50480, 50730, 56159, 59945, 67640, 71934, 75720, 81168, 95912, 101460, 112318, 119890, 135280, 143868, 151440, 168477, 179835, 191824, 202920, 224636, 239780, 280795, 287736, 336954, 359670, 405840, 449272, 479560, 561590, 575472, 673908, 719340, 842385, 898544, 959120, 1067021, 1123180, 1347816, 1438680, 1684770, 2134042, 2246360, 2695632, 2877360, 3201063, 3369540, 4268084, 4492720, 5335105, 6402126, 6739080, 8536168, 10670210, 12804252, 13478160, 16005315, 17072336, 21340420, 25608504, 32010630, 42680840, 51217008, 64021260, 85361680, 128042520, 256085040]

約数ペア:

[(1, 256085040), (2, 128042520), (3, 85361680), (4, 64021260), (5, 51217008), (6, 42680840), (8, 32010630), (10, 25608504), (12, 21340420), (15, 17072336), (16, 16005315), (19, 13478160), (20, 12804252), (24, 10670210), (30, 8536168), (38, 6739080), (40, 6402126), (48, 5335105), (57, 4492720), (60, 4268084), (76, 3369540), (80, 3201063), (89, 2877360), (95, 2695632), (114, 2246360), (120, 2134042), (152, 1684770), (178, 1438680), (190, 1347816), (228, 1123180), (240, 1067021), (267, 959120), (285, 898544), (304, 842385), (356, 719340), (380, 673908), (445, 575472), (456, 561590), (534, 479560), (570, 449272), (631, 405840), (712, 359670), (760, 336954), (890, 287736), (912, 280795), (1068, 239780), (1140, 224636), (1262, 202920), (1335, 191824), (1424, 179835), (1520, 168477), (1691, 151440), (1780, 143868), (1893, 135280), (2136, 119890), (2280, 112318), (2524, 101460), (2670, 95912), (3155, 81168), (3382, 75720), (3560, 71934), (3786, 67640), (4272, 59945), (4560, 56159), (5048, 50730), (5073, 50480), (5340, 47956), (6310, 40584), (6764, 37860), (7120, 35967), (7572, 33820), (8455, 30288), (9465, 27056), (10096, 25365), (10146, 25240), (10680, 23978), (11989, 21360), (12620, 20292), (13528, 18930), (15144, 16910)]