64854440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 177120000

約数和(自身を除く): 112265560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 70, 98, 116, 140, 145, 163, 196, 203, 232, 245, 280, 290, 326, 343, 392, 406, 490, 580, 652, 686, 812, 815, 980, 1015, 1141, 1160, 1304, 1372, 1421, 1624, 1630, 1715, 1960, 2030, 2282, 2744, 2842, 3260, 3430, 4060, 4564, 4727, 5684, 5705, 6520, 6860, 7105, 7987, 8120, 9128, 9454, 9947, 11368, 11410, 13720, 14210, 15974, 18908, 19894, 22820, 23635, 28420, 31948, 33089, 37816, 39788, 39935, 45640, 47270, 49735, 55909, 56840, 63896, 66178, 79576, 79870, 94540, 99470, 111818, 132356, 159740, 165445, 189080, 198940, 223636, 231623, 264712, 279545, 319480, 330890, 397880, 447272, 463246, 559090, 661780, 926492, 1118180, 1158115, 1323560, 1621361, 1852984, 2236360, 2316230, 3242722, 4632460, 6485444, 8106805, 9264920, 12970888, 16213610, 32427220, 64854440]

約数ペア:

[(1, 64854440), (2, 32427220), (4, 16213610), (5, 12970888), (7, 9264920), (8, 8106805), (10, 6485444), (14, 4632460), (20, 3242722), (28, 2316230), (29, 2236360), (35, 1852984), (40, 1621361), (49, 1323560), (56, 1158115), (58, 1118180), (70, 926492), (98, 661780), (116, 559090), (140, 463246), (145, 447272), (163, 397880), (196, 330890), (203, 319480), (232, 279545), (245, 264712), (280, 231623), (290, 223636), (326, 198940), (343, 189080), (392, 165445), (406, 159740), (490, 132356), (580, 111818), (652, 99470), (686, 94540), (812, 79870), (815, 79576), (980, 66178), (1015, 63896), (1141, 56840), (1160, 55909), (1304, 49735), (1372, 47270), (1421, 45640), (1624, 39935), (1630, 39788), (1715, 37816), (1960, 33089), (2030, 31948), (2282, 28420), (2744, 23635), (2842, 22820), (3260, 19894), (3430, 18908), (4060, 15974), (4564, 14210), (4727, 13720), (5684, 11410), (5705, 11368), (6520, 9947), (6860, 9454), (7105, 9128), (7987, 8120)]