404557920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21611}}^1$

素因数の和:21645

約数の個数: 144

約数和(自身を含む): 1486819152

約数和(自身を除く): 1082261232

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, 21611, 43222, 64833, 86444, 108055, 129666, 172888, 194499, 216110, 259332, 280943, 324165, 345776, 388998, 432220, 518664, 561886, 648330, 691552, 777996, 842829, 864440, 972495, 1037328, 1123772, 1296660, 1404715, 1555992, 1685658, 1728880, 1944990, 2074656, 2247544, 2528487, 2593320, 2809430, 3111984, 3371316, 3457760, 3889980, 4214145, 4495088, 5056974, 5186640, 5618860, 6223968, 6742632, 7779960, 8428290, 8990176, 10113948, 10373280, 11237720, 12642435, 13485264, 15559920, 16856580, 20227896, 22475440, 25284870, 26970528, 31119840, 33713160, 40455792, 44950880, 50569740, 67426320, 80911584, 101139480, 134852640, 202278960, 404557920]

約数ペア:

[(1, 404557920), (2, 202278960), (3, 134852640), (4, 101139480), (5, 80911584), (6, 67426320), (8, 50569740), (9, 44950880), (10, 40455792), (12, 33713160), (13, 31119840), (15, 26970528), (16, 25284870), (18, 22475440), (20, 20227896), (24, 16856580), (26, 15559920), (30, 13485264), (32, 12642435), (36, 11237720), (39, 10373280), (40, 10113948), (45, 8990176), (48, 8428290), (52, 7779960), (60, 6742632), (65, 6223968), (72, 5618860), (78, 5186640), (80, 5056974), (90, 4495088), (96, 4214145), (104, 3889980), (117, 3457760), (120, 3371316), (130, 3111984), (144, 2809430), (156, 2593320), (160, 2528487), (180, 2247544), (195, 2074656), (208, 1944990), (234, 1728880), (240, 1685658), (260, 1555992), (288, 1404715), (312, 1296660), (360, 1123772), (390, 1037328), (416, 972495), (468, 864440), (480, 842829), (520, 777996), (585, 691552), (624, 648330), (720, 561886), (780, 518664), (936, 432220), (1040, 388998), (1170, 345776), (1248, 324165), (1440, 280943), (1560, 259332), (1872, 216110), (2080, 194499), (2340, 172888), (3120, 129666), (3744, 108055), (4680, 86444), (6240, 64833), (9360, 43222), (18720, 21611)]