653396520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1493}}^1$

素因数の和:2035

約数の個数: 128

約数和(自身を含む): 2246019840

約数和(自身を除く): 1592623320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 521, 840, 1042, 1493, 1563, 2084, 2605, 2986, 3126, 3647, 4168, 4479, 5210, 5972, 6252, 7294, 7465, 7815, 8958, 10420, 10451, 10941, 11944, 12504, 14588, 14930, 15630, 17916, 18235, 20840, 20902, 21882, 22395, 29176, 29860, 31260, 31353, 35832, 36470, 41804, 43764, 44790, 52255, 54705, 59720, 62520, 62706, 72940, 83608, 87528, 89580, 104510, 109410, 125412, 145880, 156765, 179160, 209020, 218820, 250824, 313530, 418040, 437640, 627060, 777853, 1254120, 1555706, 2333559, 3111412, 3889265, 4667118, 5444971, 6222824, 7778530, 9334236, 10889942, 11667795, 15557060, 16334913, 18668472, 21779884, 23335590, 27224855, 31114120, 32669826, 43559768, 46671180, 54449710, 65339652, 81674565, 93342360, 108899420, 130679304, 163349130, 217798840, 326698260, 653396520]

約数ペア:

[(1, 653396520), (2, 326698260), (3, 217798840), (4, 163349130), (5, 130679304), (6, 108899420), (7, 93342360), (8, 81674565), (10, 65339652), (12, 54449710), (14, 46671180), (15, 43559768), (20, 32669826), (21, 31114120), (24, 27224855), (28, 23335590), (30, 21779884), (35, 18668472), (40, 16334913), (42, 15557060), (56, 11667795), (60, 10889942), (70, 9334236), (84, 7778530), (105, 6222824), (120, 5444971), (140, 4667118), (168, 3889265), (210, 3111412), (280, 2333559), (420, 1555706), (521, 1254120), (840, 777853), (1042, 627060), (1493, 437640), (1563, 418040), (2084, 313530), (2605, 250824), (2986, 218820), (3126, 209020), (3647, 179160), (4168, 156765), (4479, 145880), (5210, 125412), (5972, 109410), (6252, 104510), (7294, 89580), (7465, 87528), (7815, 83608), (8958, 72940), (10420, 62706), (10451, 62520), (10941, 59720), (11944, 54705), (12504, 52255), (14588, 44790), (14930, 43764), (15630, 41804), (17916, 36470), (18235, 35832), (20840, 31353), (20902, 31260), (21882, 29860), (22395, 29176)]