520822260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1471}}^1$

素因数の和:1774

約数の個数: 144

約数和(自身を含む): 1813174272

約数和(自身を除く): 1292352012

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 281, 315, 420, 562, 630, 843, 1124, 1260, 1405, 1471, 1686, 1967, 2529, 2810, 2942, 3372, 3934, 4215, 4413, 5058, 5620, 5884, 5901, 7355, 7868, 8430, 8826, 9835, 10116, 10297, 11802, 12645, 13239, 14710, 16860, 17652, 17703, 19670, 20594, 22065, 23604, 25290, 26478, 29420, 29505, 30891, 35406, 39340, 41188, 44130, 50580, 51485, 52956, 59010, 61782, 66195, 70812, 88260, 88515, 92673, 102970, 118020, 123564, 132390, 154455, 177030, 185346, 205940, 264780, 308910, 354060, 370692, 413351, 463365, 617820, 826702, 926730, 1240053, 1653404, 1853460, 2066755, 2480106, 2893457, 3720159, 4133510, 4960212, 5786914, 6200265, 7440318, 8267020, 8680371, 11573828, 12400530, 14467285, 14880636, 17360742, 18600795, 24801060, 26041113, 28934570, 34721484, 37201590, 43401855, 52082226, 57869140, 74403180, 86803710, 104164452, 130205565, 173607420, 260411130, 520822260]

約数ペア:

[(1, 520822260), (2, 260411130), (3, 173607420), (4, 130205565), (5, 104164452), (6, 86803710), (7, 74403180), (9, 57869140), (10, 52082226), (12, 43401855), (14, 37201590), (15, 34721484), (18, 28934570), (20, 26041113), (21, 24801060), (28, 18600795), (30, 17360742), (35, 14880636), (36, 14467285), (42, 12400530), (45, 11573828), (60, 8680371), (63, 8267020), (70, 7440318), (84, 6200265), (90, 5786914), (105, 4960212), (126, 4133510), (140, 3720159), (180, 2893457), (210, 2480106), (252, 2066755), (281, 1853460), (315, 1653404), (420, 1240053), (562, 926730), (630, 826702), (843, 617820), (1124, 463365), (1260, 413351), (1405, 370692), (1471, 354060), (1686, 308910), (1967, 264780), (2529, 205940), (2810, 185346), (2942, 177030), (3372, 154455), (3934, 132390), (4215, 123564), (4413, 118020), (5058, 102970), (5620, 92673), (5884, 88515), (5901, 88260), (7355, 70812), (7868, 66195), (8430, 61782), (8826, 59010), (9835, 52956), (10116, 51485), (10297, 50580), (11802, 44130), (12645, 41188), (13239, 39340), (14710, 35406), (16860, 30891), (17652, 29505), (17703, 29420), (19670, 26478), (20594, 25290), (22065, 23604)]