400157280

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:674

約数の個数: 192

約数和(自身を含む): 1410393600

約数和(自身を除く): 1010236320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 211, 216, 240, 270, 288, 360, 422, 432, 439, 480, 540, 633, 720, 844, 864, 878, 1055, 1080, 1266, 1317, 1440, 1688, 1756, 1899, 2110, 2160, 2195, 2532, 2634, 3165, 3376, 3512, 3798, 3951, 4220, 4320, 4390, 5064, 5268, 5697, 6330, 6585, 6752, 7024, 7596, 7902, 8440, 8780, 9495, 10128, 10536, 11394, 11853, 12660, 13170, 14048, 15192, 15804, 16880, 17560, 18990, 19755, 20256, 21072, 22788, 23706, 25320, 26340, 28485, 30384, 31608, 33760, 35120, 37980, 39510, 42144, 45576, 47412, 50640, 52680, 56970, 59265, 60768, 63216, 70240, 75960, 79020, 91152, 92629, 94824, 101280, 105360, 113940, 118530, 126432, 151920, 158040, 182304, 185258, 189648, 210720, 227880, 237060, 277887, 303840, 316080, 370516, 379296, 455760, 463145, 474120, 555774, 632160, 741032, 833661, 911520, 926290, 948240, 1111548, 1389435, 1482064, 1667322, 1852580, 1896480, 2223096, 2500983, 2778870, 2964128, 3334644, 3705160, 4168305, 4446192, 5001966, 5557740, 6669288, 7410320, 8336610, 8892384, 10003932, 11115480, 12504915, 13338576, 14820640, 16673220, 20007864, 22230960, 25009830, 26677152, 33346440, 40015728, 44461920, 50019660, 66692880, 80031456, 100039320, 133385760, 200078640, 400157280]

約数ペア:

[(1, 400157280), (2, 200078640), (3, 133385760), (4, 100039320), (5, 80031456), (6, 66692880), (8, 50019660), (9, 44461920), (10, 40015728), (12, 33346440), (15, 26677152), (16, 25009830), (18, 22230960), (20, 20007864), (24, 16673220), (27, 14820640), (30, 13338576), (32, 12504915), (36, 11115480), (40, 10003932), (45, 8892384), (48, 8336610), (54, 7410320), (60, 6669288), (72, 5557740), (80, 5001966), (90, 4446192), (96, 4168305), (108, 3705160), (120, 3334644), (135, 2964128), (144, 2778870), (160, 2500983), (180, 2223096), (211, 1896480), (216, 1852580), (240, 1667322), (270, 1482064), (288, 1389435), (360, 1111548), (422, 948240), (432, 926290), (439, 911520), (480, 833661), (540, 741032), (633, 632160), (720, 555774), (844, 474120), (864, 463145), (878, 455760), (1055, 379296), (1080, 370516), (1266, 316080), (1317, 303840), (1440, 277887), (1688, 237060), (1756, 227880), (1899, 210720), (2110, 189648), (2160, 185258), (2195, 182304), (2532, 158040), (2634, 151920), (3165, 126432), (3376, 118530), (3512, 113940), (3798, 105360), (3951, 101280), (4220, 94824), (4320, 92629), (4390, 91152), (5064, 79020), (5268, 75960), (5697, 70240), (6330, 63216), (6585, 60768), (6752, 59265), (7024, 56970), (7596, 52680), (7902, 50640), (8440, 47412), (8780, 45576), (9495, 42144), (10128, 39510), (10536, 37980), (11394, 35120), (11853, 33760), (12660, 31608), (13170, 30384), (14048, 28485), (15192, 26340), (15804, 25320), (16880, 23706), (17560, 22788), (18990, 21072), (19755, 20256)]