815895360

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{40471}}^1$

素因数の和:40501

約数の個数: 168

約数和(自身を含む): 3207325056

約数和(自身を除く): 2391429696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 40471, 80942, 121413, 161884, 202355, 242826, 283297, 323768, 364239, 404710, 485652, 566594, 607065, 647536, 728478, 809420, 849891, 971304, 1133188, 1214130, 1295072, 1416485, 1456956, 1618840, 1699782, 1821195, 1942608, 2266376, 2428260, 2549673, 2590144, 2832970, 2913912, 3237680, 3399564, 3642390, 3885216, 4249455, 4532752, 4856520, 5099346, 5665940, 5827824, 6475360, 6799128, 7284780, 7770432, 8498910, 9065504, 9713040, 10198692, 11331880, 11655648, 12748365, 12950720, 13598256, 14569560, 16997820, 18131008, 19426080, 20397384, 22663760, 23311296, 25496730, 27196512, 29139120, 33995640, 38852160, 40794768, 45327520, 50993460, 54393024, 58278240, 67991280, 81589536, 90655040, 101986920, 116556480, 135982560, 163179072, 203973840, 271965120, 407947680, 815895360]

約数ペア:

[(1, 815895360), (2, 407947680), (3, 271965120), (4, 203973840), (5, 163179072), (6, 135982560), (7, 116556480), (8, 101986920), (9, 90655040), (10, 81589536), (12, 67991280), (14, 58278240), (15, 54393024), (16, 50993460), (18, 45327520), (20, 40794768), (21, 38852160), (24, 33995640), (28, 29139120), (30, 27196512), (32, 25496730), (35, 23311296), (36, 22663760), (40, 20397384), (42, 19426080), (45, 18131008), (48, 16997820), (56, 14569560), (60, 13598256), (63, 12950720), (64, 12748365), (70, 11655648), (72, 11331880), (80, 10198692), (84, 9713040), (90, 9065504), (96, 8498910), (105, 7770432), (112, 7284780), (120, 6799128), (126, 6475360), (140, 5827824), (144, 5665940), (160, 5099346), (168, 4856520), (180, 4532752), (192, 4249455), (210, 3885216), (224, 3642390), (240, 3399564), (252, 3237680), (280, 2913912), (288, 2832970), (315, 2590144), (320, 2549673), (336, 2428260), (360, 2266376), (420, 1942608), (448, 1821195), (480, 1699782), (504, 1618840), (560, 1456956), (576, 1416485), (630, 1295072), (672, 1214130), (720, 1133188), (840, 971304), (960, 849891), (1008, 809420), (1120, 728478), (1260, 647536), (1344, 607065), (1440, 566594), (1680, 485652), (2016, 404710), (2240, 364239), (2520, 323768), (2880, 283297), (3360, 242826), (4032, 202355), (5040, 161884), (6720, 121413), (10080, 80942), (20160, 40471)]