21312000

素因数分解:

$2^9\times 3^2\times 5^3\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 240

約数和(自身を含む): 78836472

約数和(自身を除く): 57524472

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 37, 40, 45, 48, 50, 60, 64, 72, 74, 75, 80, 90, 96, 100, 111, 120, 125, 128, 144, 148, 150, 160, 180, 185, 192, 200, 222, 225, 240, 250, 256, 288, 296, 300, 320, 333, 360, 370, 375, 384, 400, 444, 450, 480, 500, 512, 555, 576, 592, 600, 640, 666, 720, 740, 750, 768, 800, 888, 900, 925, 960, 1000, 1110, 1125, 1152, 1184, 1200, 1280, 1332, 1440, 1480, 1500, 1536, 1600, 1665, 1776, 1800, 1850, 1920, 2000, 2220, 2250, 2304, 2368, 2400, 2560, 2664, 2775, 2880, 2960, 3000, 3200, 3330, 3552, 3600, 3700, 3840, 4000, 4440, 4500, 4608, 4625, 4736, 4800, 5328, 5550, 5760, 5920, 6000, 6400, 6660, 7104, 7200, 7400, 7680, 8000, 8325, 8880, 9000, 9250, 9472, 9600, 10656, 11100, 11520, 11840, 12000, 12800, 13320, 13875, 14208, 14400, 14800, 16000, 16650, 17760, 18000, 18500, 18944, 19200, 21312, 22200, 23040, 23680, 24000, 26640, 27750, 28416, 28800, 29600, 32000, 33300, 35520, 36000, 37000, 38400, 41625, 42624, 44400, 47360, 48000, 53280, 55500, 56832, 57600, 59200, 64000, 66600, 71040, 72000, 74000, 83250, 85248, 88800, 94720, 96000, 106560, 111000, 115200, 118400, 133200, 142080, 144000, 148000, 166500, 170496, 177600, 192000, 213120, 222000, 236800, 266400, 284160, 288000, 296000, 333000, 355200, 426240, 444000, 473600, 532800, 576000, 592000, 666000, 710400, 852480, 888000, 1065600, 1184000, 1332000, 1420800, 1776000, 2131200, 2368000, 2664000, 3552000, 4262400, 5328000, 7104000, 10656000, 21312000]

約数ペア:

[(1, 21312000), (2, 10656000), (3, 7104000), (4, 5328000), (5, 4262400), (6, 3552000), (8, 2664000), (9, 2368000), (10, 2131200), (12, 1776000), (15, 1420800), (16, 1332000), (18, 1184000), (20, 1065600), (24, 888000), (25, 852480), (30, 710400), (32, 666000), (36, 592000), (37, 576000), (40, 532800), (45, 473600), (48, 444000), (50, 426240), (60, 355200), (64, 333000), (72, 296000), (74, 288000), (75, 284160), (80, 266400), (90, 236800), (96, 222000), (100, 213120), (111, 192000), (120, 177600), (125, 170496), (128, 166500), (144, 148000), (148, 144000), (150, 142080), (160, 133200), (180, 118400), (185, 115200), (192, 111000), (200, 106560), (222, 96000), (225, 94720), (240, 88800), (250, 85248), (256, 83250), (288, 74000), (296, 72000), (300, 71040), (320, 66600), (333, 64000), (360, 59200), (370, 57600), (375, 56832), (384, 55500), (400, 53280), (444, 48000), (450, 47360), (480, 44400), (500, 42624), (512, 41625), (555, 38400), (576, 37000), (592, 36000), (600, 35520), (640, 33300), (666, 32000), (720, 29600), (740, 28800), (750, 28416), (768, 27750), (800, 26640), (888, 24000), (900, 23680), (925, 23040), (960, 22200), (1000, 21312), (1110, 19200), (1125, 18944), (1152, 18500), (1184, 18000), (1200, 17760), (1280, 16650), (1332, 16000), (1440, 14800), (1480, 14400), (1500, 14208), (1536, 13875), (1600, 13320), (1665, 12800), (1776, 12000), (1800, 11840), (1850, 11520), (1920, 11100), (2000, 10656), (2220, 9600), (2250, 9472), (2304, 9250), (2368, 9000), (2400, 8880), (2560, 8325), (2664, 8000), (2775, 7680), (2880, 7400), (2960, 7200), (3000, 7104), (3200, 6660), (3330, 6400), (3552, 6000), (3600, 5920), (3700, 5760), (3840, 5550), (4000, 5328), (4440, 4800), (4500, 4736), (4608, 4625)]