244222720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:406

約数の個数: 144

約数和(自身を含む): 677855808

約数和(自身を除く): 433633088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 194, 224, 256, 280, 281, 320, 388, 448, 485, 560, 562, 640, 679, 776, 896, 970, 1120, 1124, 1280, 1358, 1405, 1552, 1792, 1940, 1967, 2240, 2248, 2716, 2810, 3104, 3395, 3880, 3934, 4480, 4496, 5432, 5620, 6208, 6790, 7760, 7868, 8960, 8992, 9835, 10864, 11240, 12416, 13580, 15520, 15736, 17984, 19670, 21728, 22480, 24832, 27160, 27257, 31040, 31472, 35968, 39340, 43456, 44960, 54320, 54514, 62080, 62944, 71936, 78680, 86912, 89920, 108640, 109028, 124160, 125888, 136285, 157360, 173824, 179840, 190799, 217280, 218056, 251776, 272570, 314720, 359680, 381598, 434560, 436112, 503552, 545140, 629440, 763196, 869120, 872224, 953995, 1090280, 1258880, 1526392, 1744448, 1907990, 2180560, 2517760, 3052784, 3488896, 3815980, 4361120, 6105568, 6977792, 7631960, 8722240, 12211136, 15263920, 17444480, 24422272, 30527840, 34888960, 48844544, 61055680, 122111360, 244222720]

約数ペア:

[(1, 244222720), (2, 122111360), (4, 61055680), (5, 48844544), (7, 34888960), (8, 30527840), (10, 24422272), (14, 17444480), (16, 15263920), (20, 12211136), (28, 8722240), (32, 7631960), (35, 6977792), (40, 6105568), (56, 4361120), (64, 3815980), (70, 3488896), (80, 3052784), (97, 2517760), (112, 2180560), (128, 1907990), (140, 1744448), (160, 1526392), (194, 1258880), (224, 1090280), (256, 953995), (280, 872224), (281, 869120), (320, 763196), (388, 629440), (448, 545140), (485, 503552), (560, 436112), (562, 434560), (640, 381598), (679, 359680), (776, 314720), (896, 272570), (970, 251776), (1120, 218056), (1124, 217280), (1280, 190799), (1358, 179840), (1405, 173824), (1552, 157360), (1792, 136285), (1940, 125888), (1967, 124160), (2240, 109028), (2248, 108640), (2716, 89920), (2810, 86912), (3104, 78680), (3395, 71936), (3880, 62944), (3934, 62080), (4480, 54514), (4496, 54320), (5432, 44960), (5620, 43456), (6208, 39340), (6790, 35968), (7760, 31472), (7868, 31040), (8960, 27257), (8992, 27160), (9835, 24832), (10864, 22480), (11240, 21728), (12416, 19670), (13580, 17984), (15520, 15736)]