1998637614720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:598

約数の個数: 1024

約数和(自身を含む): 7478894592000

約数和(自身を除く): 5480256977280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 67, 72, 80, 90, 93, 96, 108, 120, 124, 128, 134, 135, 144, 155, 160, 180, 186, 192, 201, 216, 233, 239, 240, 248, 268, 270, 279, 288, 310, 320, 335, 360, 372, 384, 402, 432, 465, 466, 478, 480, 496, 536, 540, 558, 576, 603, 620, 640, 670, 699, 717, 720, 744, 804, 837, 864, 930, 932, 956, 960, 992, 1005, 1072, 1080, 1116, 1152, 1165, 1195, 1206, 1240, 1340, 1395, 1398, 1434, 1440, 1488, 1608, 1674, 1728, 1809, 1860, 1864, 1912, 1920, 1984, 2010, 2077, 2097, 2144, 2151, 2160, 2232, 2330, 2390, 2412, 2480, 2680, 2790, 2796, 2868, 2880, 2976, 3015, 3216, 3348, 3456, 3495, 3585, 3618, 3720, 3728, 3824, 3968, 4020, 4154, 4185, 4194, 4288, 4302, 4320, 4464, 4660, 4780, 4824, 4960, 5360, 5580, 5592, 5736, 5760, 5952, 6030, 6231, 6291, 6432, 6453, 6696, 6990, 7170, 7223, 7236, 7409, 7440, 7456, 7648, 8040, 8308, 8370, 8388, 8576, 8604, 8640, 8928, 9045, 9320, 9560, 9648, 9920, 10385, 10485, 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約数ペア:

[(1, 1998637614720), (2, 999318807360), (3, 666212538240), (4, 499659403680), (5, 399727522944), (6, 333106269120), (8, 249829701840), (9, 222070846080), (10, 199863761472), (12, 166553134560), (15, 133242507648), (16, 124914850920), (18, 111035423040), (20, 99931880736), (24, 83276567280), (27, 74023615360), (30, 66621253824), (31, 64472181120), (32, 62457425460), (36, 55517711520), (40, 49965940368), (45, 44414169216), (48, 41638283640), (54, 37011807680), (60, 33310626912), (62, 32236090560), (64, 31228712730), (67, 29830412160), (72, 27758855760), (80, 24982970184), (90, 22207084608), (93, 21490727040), (96, 20819141820), (108, 18505903840), (120, 16655313456), (124, 16118045280), (128, 15614356365), (134, 14915206080), (135, 14804723072), (144, 13879427880), (155, 12894436224), (160, 12491485092), (180, 11103542304), (186, 10745363520), (192, 10409570910), (201, 9943470720), (216, 9252951920), (233, 8577843840), (239, 8362500480), (240, 8327656728), (248, 8059022640), (268, 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(37045, 53951616), (37280, 53611524), (37386, 53459520), (38240, 52265628), (38592, 51788910), (41540, 48113568), (41940, 47654688), (42880, 46610019), (43020, 46458336), (43338, 46117440), (44454, 44959680), (44640, 44772348), (44736, 44676270), (45888, 43554690), (46833, 42675840), (48039, 41604480), (48240, 41431128), (49848, 40094640), (50328, 39712240), (51624, 38715280), (53568, 37310290), (55687, 35890560), (55920, 35741016), (56079, 35639680), (57360, 34843752), (57784, 34588080), (57888, 34525940), (59272, 33719760), (59520, 33579261), (62310, 32075712), (62444, 32006880), (62910, 31769792), (64052, 31203360), (64320, 31073346), (64530, 30972224), (65007, 30744960), (66464, 30070980), (66681, 29973120), (66960, 29848232), (67104, 29784180), (68832, 29036460), (72230, 27670464), (72360, 27620752), (74090, 26975808), (74560, 26805762), (74772, 26729760), (76480, 26132814), (77184, 25894455), (78055, 25605504), (80065, 24962688), (83080, 24056784), (83880, 23827344), (86040, 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