257586120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2243}}^1$

素因数の和:2300

約数の個数: 192

約数和(自身を含む): 945172800

約数和(自身を除く): 687586680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 29, 30, 33, 36, 40, 44, 45, 55, 58, 60, 66, 72, 87, 88, 90, 99, 110, 116, 120, 132, 145, 165, 174, 180, 198, 220, 232, 261, 264, 290, 319, 330, 348, 360, 396, 435, 440, 495, 522, 580, 638, 660, 696, 792, 870, 957, 990, 1044, 1160, 1276, 1305, 1320, 1595, 1740, 1914, 1980, 2088, 2243, 2552, 2610, 2871, 3190, 3480, 3828, 3960, 4486, 4785, 5220, 5742, 6380, 6729, 7656, 8972, 9570, 10440, 11215, 11484, 12760, 13458, 14355, 17944, 19140, 20187, 22430, 22968, 24673, 26916, 28710, 33645, 38280, 40374, 44860, 49346, 53832, 57420, 65047, 67290, 74019, 80748, 89720, 98692, 100935, 114840, 123365, 130094, 134580, 148038, 161496, 195141, 197384, 201870, 222057, 246730, 260188, 269160, 296076, 325235, 370095, 390282, 403740, 444114, 493460, 520376, 585423, 592152, 650470, 715517, 740190, 780564, 807480, 888228, 975705, 986920, 1110285, 1170846, 1300940, 1431034, 1480380, 1561128, 1776456, 1951410, 2146551, 2220570, 2341692, 2601880, 2862068, 2927115, 2960760, 3577585, 3902820, 4293102, 4441140, 4683384, 5724136, 5854230, 6439653, 7155170, 7805640, 8586204, 8882280, 10732755, 11708460, 12879306, 14310340, 17172408, 21465510, 23416920, 25758612, 28620680, 32198265, 42931020, 51517224, 64396530, 85862040, 128793060, 257586120]

約数ペア:

[(1, 257586120), (2, 128793060), (3, 85862040), (4, 64396530), (5, 51517224), (6, 42931020), (8, 32198265), (9, 28620680), (10, 25758612), (11, 23416920), (12, 21465510), (15, 17172408), (18, 14310340), (20, 12879306), (22, 11708460), (24, 10732755), (29, 8882280), (30, 8586204), (33, 7805640), (36, 7155170), (40, 6439653), (44, 5854230), (45, 5724136), (55, 4683384), (58, 4441140), (60, 4293102), (66, 3902820), (72, 3577585), (87, 2960760), (88, 2927115), (90, 2862068), (99, 2601880), (110, 2341692), (116, 2220570), (120, 2146551), (132, 1951410), (145, 1776456), (165, 1561128), (174, 1480380), (180, 1431034), (198, 1300940), (220, 1170846), (232, 1110285), (261, 986920), (264, 975705), (290, 888228), (319, 807480), (330, 780564), (348, 740190), (360, 715517), (396, 650470), (435, 592152), (440, 585423), (495, 520376), (522, 493460), (580, 444114), (638, 403740), (660, 390282), (696, 370095), (792, 325235), (870, 296076), (957, 269160), (990, 260188), (1044, 246730), (1160, 222057), (1276, 201870), (1305, 197384), (1320, 195141), (1595, 161496), (1740, 148038), (1914, 134580), (1980, 130094), (2088, 123365), (2243, 114840), (2552, 100935), (2610, 98692), (2871, 89720), (3190, 80748), (3480, 74019), (3828, 67290), (3960, 65047), (4486, 57420), (4785, 53832), (5220, 49346), (5742, 44860), (6380, 40374), (6729, 38280), (7656, 33645), (8972, 28710), (9570, 26916), (10440, 24673), (11215, 22968), (11484, 22430), (12760, 20187), (13458, 19140), (14355, 17944)]