255657360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3539}}^1$

素因数の和:3605

約数の個数: 160

約数和(自身を含む): 927083520

約数和(自身を除く): 671426160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 43, 48, 56, 60, 70, 80, 84, 86, 105, 112, 120, 129, 140, 168, 172, 210, 215, 240, 258, 280, 301, 336, 344, 420, 430, 516, 560, 602, 645, 688, 840, 860, 903, 1032, 1204, 1290, 1505, 1680, 1720, 1806, 2064, 2408, 2580, 3010, 3440, 3539, 3612, 4515, 4816, 5160, 6020, 7078, 7224, 9030, 10320, 10617, 12040, 14156, 14448, 17695, 18060, 21234, 24080, 24773, 28312, 35390, 36120, 42468, 49546, 53085, 56624, 70780, 72240, 74319, 84936, 99092, 106170, 123865, 141560, 148638, 152177, 169872, 198184, 212340, 247730, 283120, 297276, 304354, 371595, 396368, 424680, 456531, 495460, 594552, 608708, 743190, 760885, 849360, 913062, 990920, 1065239, 1189104, 1217416, 1486380, 1521770, 1826124, 1981840, 2130478, 2282655, 2434832, 2972760, 3043540, 3195717, 3652248, 4260956, 4565310, 5326195, 5945520, 6087080, 6391434, 7304496, 8521912, 9130620, 10652390, 12174160, 12782868, 15978585, 17043824, 18261240, 21304780, 25565736, 31957170, 36522480, 42609560, 51131472, 63914340, 85219120, 127828680, 255657360]

約数ペア:

[(1, 255657360), (2, 127828680), (3, 85219120), (4, 63914340), (5, 51131472), (6, 42609560), (7, 36522480), (8, 31957170), (10, 25565736), (12, 21304780), (14, 18261240), (15, 17043824), (16, 15978585), (20, 12782868), (21, 12174160), (24, 10652390), (28, 9130620), (30, 8521912), (35, 7304496), (40, 6391434), (42, 6087080), (43, 5945520), (48, 5326195), (56, 4565310), (60, 4260956), (70, 3652248), (80, 3195717), (84, 3043540), (86, 2972760), (105, 2434832), (112, 2282655), (120, 2130478), (129, 1981840), (140, 1826124), (168, 1521770), (172, 1486380), (210, 1217416), (215, 1189104), (240, 1065239), (258, 990920), (280, 913062), (301, 849360), (336, 760885), (344, 743190), (420, 608708), (430, 594552), (516, 495460), (560, 456531), (602, 424680), (645, 396368), (688, 371595), (840, 304354), (860, 297276), (903, 283120), (1032, 247730), (1204, 212340), (1290, 198184), (1505, 169872), (1680, 152177), (1720, 148638), (1806, 141560), (2064, 123865), (2408, 106170), (2580, 99092), (3010, 84936), (3440, 74319), (3539, 72240), (3612, 70780), (4515, 56624), (4816, 53085), (5160, 49546), (6020, 42468), (7078, 36120), (7224, 35390), (9030, 28312), (10320, 24773), (10617, 24080), (12040, 21234), (14156, 18060), (14448, 17695)]