268817120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:449

約数の個数: 192

約数和(自身を含む): 772208640

約数和(自身を除く): 503391520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 160, 176, 208, 220, 248, 260, 286, 310, 341, 352, 379, 403, 416, 440, 496, 520, 572, 620, 682, 715, 758, 806, 880, 992, 1040, 1144, 1240, 1364, 1430, 1516, 1612, 1705, 1760, 1895, 2015, 2080, 2288, 2480, 2728, 2860, 3032, 3224, 3410, 3790, 4030, 4169, 4433, 4576, 4927, 4960, 5456, 5720, 6064, 6448, 6820, 7580, 8060, 8338, 8866, 9854, 10912, 11440, 11749, 12128, 12896, 13640, 15160, 16120, 16676, 17732, 19708, 20845, 22165, 22880, 23498, 24635, 27280, 30320, 32240, 33352, 35464, 39416, 41690, 44330, 46996, 49270, 54197, 54560, 58745, 60640, 64480, 66704, 70928, 78832, 83380, 88660, 93992, 98540, 108394, 117490, 129239, 133408, 141856, 152737, 157664, 166760, 177320, 187984, 197080, 216788, 234980, 258478, 270985, 305474, 333520, 354640, 375968, 394160, 433576, 469960, 516956, 541970, 610948, 646195, 667040, 709280, 763685, 788320, 867152, 939920, 1033912, 1083940, 1221896, 1292390, 1527370, 1680107, 1734304, 1879840, 2067824, 2167880, 2443792, 2584780, 3054740, 3360214, 4135648, 4335760, 4887584, 5169560, 6109480, 6720428, 8400535, 8671520, 10339120, 12218960, 13440856, 16801070, 20678240, 24437920, 26881712, 33602140, 53763424, 67204280, 134408560, 268817120]

約数ペア:

[(1, 268817120), (2, 134408560), (4, 67204280), (5, 53763424), (8, 33602140), (10, 26881712), (11, 24437920), (13, 20678240), (16, 16801070), (20, 13440856), (22, 12218960), (26, 10339120), (31, 8671520), (32, 8400535), (40, 6720428), (44, 6109480), (52, 5169560), (55, 4887584), (62, 4335760), (65, 4135648), (80, 3360214), (88, 3054740), (104, 2584780), (110, 2443792), (124, 2167880), (130, 2067824), (143, 1879840), (155, 1734304), (160, 1680107), (176, 1527370), (208, 1292390), (220, 1221896), (248, 1083940), (260, 1033912), (286, 939920), (310, 867152), (341, 788320), (352, 763685), (379, 709280), (403, 667040), (416, 646195), (440, 610948), (496, 541970), (520, 516956), (572, 469960), (620, 433576), (682, 394160), (715, 375968), (758, 354640), (806, 333520), (880, 305474), (992, 270985), (1040, 258478), (1144, 234980), (1240, 216788), (1364, 197080), (1430, 187984), (1516, 177320), (1612, 166760), (1705, 157664), (1760, 152737), (1895, 141856), (2015, 133408), (2080, 129239), (2288, 117490), (2480, 108394), (2728, 98540), (2860, 93992), (3032, 88660), (3224, 83380), (3410, 78832), (3790, 70928), (4030, 66704), (4169, 64480), (4433, 60640), (4576, 58745), (4927, 54560), (4960, 54197), (5456, 49270), (5720, 46996), (6064, 44330), (6448, 41690), (6820, 39416), (7580, 35464), (8060, 33352), (8338, 32240), (8866, 30320), (9854, 27280), (10912, 24635), (11440, 23498), (11749, 22880), (12128, 22165), (12896, 20845), (13640, 19708), (15160, 17732), (16120, 16676)]