816758040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{1471}}^1$

素因数の和:2153

約数の個数: 128

約数和(自身を含む): 2806456320

約数和(自身を除く): 1989698280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 661, 840, 1322, 1471, 1983, 2644, 2942, 3305, 3966, 4413, 4627, 5288, 5884, 6610, 7355, 7932, 8826, 9254, 9915, 10297, 11768, 13220, 13881, 14710, 15864, 17652, 18508, 19830, 20594, 22065, 23135, 26440, 27762, 29420, 30891, 35304, 37016, 39660, 41188, 44130, 46270, 51485, 55524, 58840, 61782, 69405, 79320, 82376, 88260, 92540, 102970, 111048, 123564, 138810, 154455, 176520, 185080, 205940, 247128, 277620, 308910, 411880, 555240, 617820, 972331, 1235640, 1944662, 2916993, 3889324, 4861655, 5833986, 6806317, 7778648, 9723310, 11667972, 13612634, 14584965, 19446620, 20418951, 23335944, 27225268, 29169930, 34031585, 38893240, 40837902, 54450536, 58339860, 68063170, 81675804, 102094755, 116679720, 136126340, 163351608, 204189510, 272252680, 408379020, 816758040]

約数ペア:

[(1, 816758040), (2, 408379020), (3, 272252680), (4, 204189510), (5, 163351608), (6, 136126340), (7, 116679720), (8, 102094755), (10, 81675804), (12, 68063170), (14, 58339860), (15, 54450536), (20, 40837902), (21, 38893240), (24, 34031585), (28, 29169930), (30, 27225268), (35, 23335944), (40, 20418951), (42, 19446620), (56, 14584965), (60, 13612634), (70, 11667972), (84, 9723310), (105, 7778648), (120, 6806317), (140, 5833986), (168, 4861655), (210, 3889324), (280, 2916993), (420, 1944662), (661, 1235640), (840, 972331), (1322, 617820), (1471, 555240), (1983, 411880), (2644, 308910), (2942, 277620), (3305, 247128), (3966, 205940), (4413, 185080), (4627, 176520), (5288, 154455), (5884, 138810), (6610, 123564), (7355, 111048), (7932, 102970), (8826, 92540), (9254, 88260), (9915, 82376), (10297, 79320), (11768, 69405), (13220, 61782), (13881, 58840), (14710, 55524), (15864, 51485), (17652, 46270), (18508, 44130), (19830, 41188), (20594, 39660), (22065, 37016), (23135, 35304), (26440, 30891), (27762, 29420)]