20865222720

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{823}}^1\times {\mathrm{8803}}^1$

素因数の和:9649

約数の個数: 168

約数和(自身を含む): 71863037376

約数和(自身を除く): 50997814656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 823, 960, 1440, 1646, 2469, 2880, 3292, 4115, 4938, 6584, 7407, 8230, 8803, 9876, 12345, 13168, 14814, 16460, 17606, 19752, 24690, 26336, 26409, 29628, 32920, 35212, 37035, 39504, 44015, 49380, 52672, 52818, 59256, 65840, 70424, 74070, 79008, 79227, 88030, 98760, 105636, 118512, 131680, 132045, 140848, 148140, 158016, 158454, 176060, 197520, 211272, 237024, 263360, 264090, 281696, 296280, 316908, 352120, 395040, 396135, 422544, 474048, 528180, 563392, 592560, 633816, 704240, 790080, 792270, 845088, 1056360, 1185120, 1267632, 1408480, 1584540, 1690176, 2112720, 2370240, 2535264, 2816960, 3169080, 4225440, 5070528, 6338160, 7244869, 8450880, 12676320, 14489738, 21734607, 25352640, 28979476, 36224345, 43469214, 57958952, 65203821, 72448690, 86938428, 108673035, 115917904, 130407642, 144897380, 173876856, 217346070, 231835808, 260815284, 289794760, 326019105, 347753712, 434692140, 463671616, 521630568, 579589520, 652038210, 695507424, 869384280, 1043261136, 1159179040, 1304076420, 1391014848, 1738768560, 2086522272, 2318358080, 2608152840, 3477537120, 4173044544, 5216305680, 6955074240, 10432611360, 20865222720]

約数ペア:

[(1, 20865222720), (2, 10432611360), (3, 6955074240), (4, 5216305680), (5, 4173044544), (6, 3477537120), (8, 2608152840), (9, 2318358080), (10, 2086522272), (12, 1738768560), (15, 1391014848), (16, 1304076420), (18, 1159179040), (20, 1043261136), (24, 869384280), (30, 695507424), (32, 652038210), (36, 579589520), (40, 521630568), (45, 463671616), (48, 434692140), (60, 347753712), (64, 326019105), (72, 289794760), (80, 260815284), (90, 231835808), (96, 217346070), (120, 173876856), (144, 144897380), (160, 130407642), (180, 115917904), (192, 108673035), (240, 86938428), (288, 72448690), (320, 65203821), (360, 57958952), (480, 43469214), (576, 36224345), (720, 28979476), (823, 25352640), (960, 21734607), (1440, 14489738), (1646, 12676320), (2469, 8450880), (2880, 7244869), (3292, 6338160), (4115, 5070528), (4938, 4225440), (6584, 3169080), (7407, 2816960), (8230, 2535264), (8803, 2370240), (9876, 2112720), (12345, 1690176), (13168, 1584540), (14814, 1408480), (16460, 1267632), (17606, 1185120), (19752, 1056360), (24690, 845088), (26336, 792270), (26409, 790080), (29628, 704240), (32920, 633816), (35212, 592560), (37035, 563392), (39504, 528180), (44015, 474048), (49380, 422544), (52672, 396135), (52818, 395040), (59256, 352120), (65840, 316908), (70424, 296280), (74070, 281696), (79008, 264090), (79227, 263360), (88030, 237024), (98760, 211272), (105636, 197520), (118512, 176060), (131680, 158454), (132045, 158016), (140848, 148140)]