398977244640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21312887}}^1$

素因数の和:21312921

約数の個数: 144

約数和(自身を含む): 1466241442848

約数和(自身を除く): 1067264198208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 21312887, 42625774, 63938661, 85251548, 106564435, 127877322, 170503096, 191815983, 213128870, 255754644, 277067531, 319693305, 341006192, 383631966, 426257740, 511509288, 554135062, 639386610, 682012384, 767263932, 831202593, 852515480, 959079915, 1023018576, 1108270124, 1278773220, 1385337655, 1534527864, 1662405186, 1705030960, 1918159830, 2046037152, 2216540248, 2493607779, 2557546440, 2770675310, 3069055728, 3324810372, 3410061920, 3836319660, 4156012965, 4433080496, 4987215558, 5115092880, 5541350620, 6138111456, 6649620744, 7672639320, 8312025930, 8866160992, 9974431116, 10230185760, 11082701240, 12468038895, 13299241488, 15345278640, 16624051860, 19948862232, 22165402480, 24936077790, 26598482976, 30690557280, 33248103720, 39897724464, 44330804960, 49872155580, 66496207440, 79795448928, 99744311160, 132992414880, 199488622320, 398977244640]

約数ペア:

[(1, 398977244640), (2, 199488622320), (3, 132992414880), (4, 99744311160), (5, 79795448928), (6, 66496207440), (8, 49872155580), (9, 44330804960), (10, 39897724464), (12, 33248103720), (13, 30690557280), (15, 26598482976), (16, 24936077790), (18, 22165402480), (20, 19948862232), (24, 16624051860), (26, 15345278640), (30, 13299241488), (32, 12468038895), (36, 11082701240), (39, 10230185760), (40, 9974431116), (45, 8866160992), (48, 8312025930), (52, 7672639320), (60, 6649620744), (65, 6138111456), (72, 5541350620), (78, 5115092880), (80, 4987215558), (90, 4433080496), (96, 4156012965), (104, 3836319660), (117, 3410061920), (120, 3324810372), (130, 3069055728), (144, 2770675310), (156, 2557546440), (160, 2493607779), (180, 2216540248), (195, 2046037152), (208, 1918159830), (234, 1705030960), (240, 1662405186), (260, 1534527864), (288, 1385337655), (312, 1278773220), (360, 1108270124), (390, 1023018576), (416, 959079915), (468, 852515480), (480, 831202593), (520, 767263932), (585, 682012384), (624, 639386610), (720, 554135062), (780, 511509288), (936, 426257740), (1040, 383631966), (1170, 341006192), (1248, 319693305), (1440, 277067531), (1560, 255754644), (1872, 213128870), (2080, 191815983), (2340, 170503096), (3120, 127877322), (3744, 106564435), (4680, 85251548), (6240, 63938661), (9360, 42625774), (18720, 21312887)]