31705680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 160

約数和(自身を含む): 109814400

約数和(自身を除く): 78108720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 19, 20, 24, 30, 34, 38, 40, 48, 51, 57, 60, 68, 76, 80, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 240, 255, 272, 285, 304, 323, 340, 380, 408, 409, 456, 510, 570, 646, 680, 760, 816, 818, 912, 969, 1020, 1140, 1227, 1292, 1360, 1520, 1615, 1636, 1938, 2040, 2045, 2280, 2454, 2584, 3230, 3272, 3876, 4080, 4090, 4560, 4845, 4908, 5168, 6135, 6460, 6544, 6953, 7752, 7771, 8180, 9690, 9816, 12270, 12920, 13906, 15504, 15542, 16360, 19380, 19632, 20859, 23313, 24540, 25840, 27812, 31084, 32720, 34765, 38760, 38855, 41718, 46626, 49080, 55624, 62168, 69530, 77520, 77710, 83436, 93252, 98160, 104295, 111248, 116565, 124336, 132107, 139060, 155420, 166872, 186504, 208590, 233130, 264214, 278120, 310840, 333744, 373008, 396321, 417180, 466260, 528428, 556240, 621680, 660535, 792642, 834360, 932520, 1056856, 1321070, 1585284, 1668720, 1865040, 1981605, 2113712, 2642140, 3170568, 3963210, 5284280, 6341136, 7926420, 10568560, 15852840, 31705680]

約数ペア:

[(1, 31705680), (2, 15852840), (3, 10568560), (4, 7926420), (5, 6341136), (6, 5284280), (8, 3963210), (10, 3170568), (12, 2642140), (15, 2113712), (16, 1981605), (17, 1865040), (19, 1668720), (20, 1585284), (24, 1321070), (30, 1056856), (34, 932520), (38, 834360), (40, 792642), (48, 660535), (51, 621680), (57, 556240), (60, 528428), (68, 466260), (76, 417180), (80, 396321), (85, 373008), (95, 333744), (102, 310840), (114, 278120), (120, 264214), (136, 233130), (152, 208590), (170, 186504), (190, 166872), (204, 155420), (228, 139060), (240, 132107), (255, 124336), (272, 116565), (285, 111248), (304, 104295), (323, 98160), (340, 93252), (380, 83436), (408, 77710), (409, 77520), (456, 69530), (510, 62168), (570, 55624), (646, 49080), (680, 46626), (760, 41718), (816, 38855), (818, 38760), (912, 34765), (969, 32720), (1020, 31084), (1140, 27812), (1227, 25840), (1292, 24540), (1360, 23313), (1520, 20859), (1615, 19632), (1636, 19380), (1938, 16360), (2040, 15542), (2045, 15504), (2280, 13906), (2454, 12920), (2584, 12270), (3230, 9816), (3272, 9690), (3876, 8180), (4080, 7771), (4090, 7752), (4560, 6953), (4845, 6544), (4908, 6460), (5168, 6135)]