261268416

素因数分解:

$2^6\times 3^4\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:624

約数の個数: 140

約数和(自身を含む): 783717000

約数和(自身を除く): 522448584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 101, 108, 144, 162, 192, 202, 216, 288, 303, 324, 404, 432, 499, 576, 606, 648, 808, 864, 909, 998, 1212, 1296, 1497, 1616, 1728, 1818, 1996, 2424, 2592, 2727, 2994, 3232, 3636, 3992, 4491, 4848, 5184, 5454, 5988, 6464, 7272, 7984, 8181, 8982, 9696, 10908, 11976, 13473, 14544, 15968, 16362, 17964, 19392, 21816, 23952, 26946, 29088, 31936, 32724, 35928, 40419, 43632, 47904, 50399, 53892, 58176, 65448, 71856, 80838, 87264, 95808, 100798, 107784, 130896, 143712, 151197, 161676, 174528, 201596, 215568, 261792, 287424, 302394, 323352, 403192, 431136, 453591, 523584, 604788, 646704, 806384, 862272, 907182, 1209576, 1293408, 1360773, 1612768, 1814364, 2419152, 2586816, 2721546, 3225536, 3628728, 4082319, 4838304, 5443092, 7257456, 8164638, 9676608, 10886184, 14514912, 16329276, 21772368, 29029824, 32658552, 43544736, 65317104, 87089472, 130634208, 261268416]

約数ペア:

[(1, 261268416), (2, 130634208), (3, 87089472), (4, 65317104), (6, 43544736), (8, 32658552), (9, 29029824), (12, 21772368), (16, 16329276), (18, 14514912), (24, 10886184), (27, 9676608), (32, 8164638), (36, 7257456), (48, 5443092), (54, 4838304), (64, 4082319), (72, 3628728), (81, 3225536), (96, 2721546), (101, 2586816), (108, 2419152), (144, 1814364), (162, 1612768), (192, 1360773), (202, 1293408), (216, 1209576), (288, 907182), (303, 862272), (324, 806384), (404, 646704), (432, 604788), (499, 523584), (576, 453591), (606, 431136), (648, 403192), (808, 323352), (864, 302394), (909, 287424), (998, 261792), (1212, 215568), (1296, 201596), (1497, 174528), (1616, 161676), (1728, 151197), (1818, 143712), (1996, 130896), (2424, 107784), (2592, 100798), (2727, 95808), (2994, 87264), (3232, 80838), (3636, 71856), (3992, 65448), (4491, 58176), (4848, 53892), (5184, 50399), (5454, 47904), (5988, 43632), (6464, 40419), (7272, 35928), (7984, 32724), (8181, 31936), (8982, 29088), (9696, 26946), (10908, 23952), (11976, 21816), (13473, 19392), (14544, 17964), (15968, 16362)]