18495360

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1$

素因数の和:70

約数の個数: 288

約数和(自身を含む): 72797400

約数和(自身を除く): 54302040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 64, 65, 72, 76, 78, 80, 90, 95, 96, 104, 114, 117, 120, 128, 130, 144, 152, 156, 160, 169, 171, 180, 190, 192, 195, 208, 228, 234, 240, 247, 260, 285, 288, 304, 312, 320, 338, 342, 360, 380, 384, 390, 416, 456, 468, 480, 494, 507, 520, 570, 576, 585, 608, 624, 640, 676, 684, 720, 741, 760, 780, 832, 845, 855, 912, 936, 960, 988, 1014, 1040, 1140, 1152, 1170, 1216, 1235, 1248, 1352, 1368, 1440, 1482, 1520, 1521, 1560, 1664, 1690, 1710, 1824, 1872, 1920, 1976, 2028, 2080, 2223, 2280, 2340, 2432, 2470, 2496, 2535, 2704, 2736, 2880, 2964, 3040, 3042, 3120, 3211, 3380, 3420, 3648, 3705, 3744, 3952, 4056, 4160, 4446, 4560, 4680, 4940, 4992, 5070, 5408, 5472, 5760, 5928, 6080, 6084, 6240, 6422, 6760, 6840, 7296, 7410, 7488, 7605, 7904, 8112, 8320, 8892, 9120, 9360, 9633, 9880, 10140, 10816, 10944, 11115, 11856, 12160, 12168, 12480, 12844, 13520, 13680, 14820, 14976, 15210, 15808, 16055, 16224, 17784, 18240, 18720, 19266, 19760, 20280, 21632, 21888, 22230, 23712, 24336, 24960, 25688, 27040, 27360, 28899, 29640, 30420, 31616, 32110, 32448, 35568, 36480, 37440, 38532, 39520, 40560, 44460, 47424, 48165, 48672, 51376, 54080, 54720, 57798, 59280, 60840, 64220, 64896, 71136, 74880, 77064, 79040, 81120, 88920, 94848, 96330, 97344, 102752, 108160, 109440, 115596, 118560, 121680, 128440, 142272, 144495, 154128, 158080, 162240, 177840, 192660, 194688, 205504, 231192, 237120, 243360, 256880, 284544, 288990, 308256, 324480, 355680, 385320, 411008, 462384, 474240, 486720, 513760, 577980, 616512, 711360, 770640, 924768, 973440, 1027520, 1155960, 1233024, 1422720, 1541280, 1849536, 2055040, 2311920, 3082560, 3699072, 4623840, 6165120, 9247680, 18495360]

約数ペア:

[(1, 18495360), (2, 9247680), (3, 6165120), (4, 4623840), (5, 3699072), (6, 3082560), (8, 2311920), (9, 2055040), (10, 1849536), (12, 1541280), (13, 1422720), (15, 1233024), (16, 1155960), (18, 1027520), (19, 973440), (20, 924768), (24, 770640), (26, 711360), (30, 616512), (32, 577980), (36, 513760), (38, 486720), (39, 474240), (40, 462384), (45, 411008), (48, 385320), (52, 355680), (57, 324480), (60, 308256), (64, 288990), (65, 284544), (72, 256880), (76, 243360), (78, 237120), (80, 231192), (90, 205504), (95, 194688), (96, 192660), (104, 177840), (114, 162240), (117, 158080), (120, 154128), (128, 144495), (130, 142272), (144, 128440), (152, 121680), (156, 118560), (160, 115596), (169, 109440), (171, 108160), (180, 102752), (190, 97344), (192, 96330), (195, 94848), (208, 88920), (228, 81120), (234, 79040), (240, 77064), (247, 74880), (260, 71136), (285, 64896), (288, 64220), (304, 60840), (312, 59280), (320, 57798), (338, 54720), (342, 54080), (360, 51376), (380, 48672), (384, 48165), (390, 47424), (416, 44460), (456, 40560), (468, 39520), (480, 38532), (494, 37440), (507, 36480), (520, 35568), (570, 32448), (576, 32110), (585, 31616), (608, 30420), (624, 29640), (640, 28899), (676, 27360), (684, 27040), (720, 25688), (741, 24960), (760, 24336), (780, 23712), (832, 22230), (845, 21888), (855, 21632), (912, 20280), (936, 19760), (960, 19266), (988, 18720), (1014, 18240), (1040, 17784), (1140, 16224), (1152, 16055), (1170, 15808), (1216, 15210), (1235, 14976), (1248, 14820), (1352, 13680), (1368, 13520), (1440, 12844), (1482, 12480), (1520, 12168), (1521, 12160), (1560, 11856), (1664, 11115), (1690, 10944), (1710, 10816), (1824, 10140), (1872, 9880), (1920, 9633), (1976, 9360), (2028, 9120), (2080, 8892), (2223, 8320), (2280, 8112), (2340, 7904), (2432, 7605), (2470, 7488), (2496, 7410), (2535, 7296), (2704, 6840), (2736, 6760), (2880, 6422), (2964, 6240), (3040, 6084), (3042, 6080), (3120, 5928), (3211, 5760), (3380, 5472), (3420, 5408), (3648, 5070), (3705, 4992), (3744, 4940), (3952, 4680), (4056, 4560), (4160, 4446)]