12181920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 96

約数和(自身を含む): 39372480

約数和(自身を除く): 27190560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 619, 656, 820, 984, 1230, 1238, 1312, 1640, 1857, 1968, 2460, 2476, 3095, 3280, 3714, 3936, 4920, 4952, 6190, 6560, 7428, 9285, 9840, 9904, 12380, 14856, 18570, 19680, 19808, 24760, 25379, 29712, 37140, 49520, 50758, 59424, 74280, 76137, 99040, 101516, 126895, 148560, 152274, 203032, 253790, 297120, 304548, 380685, 406064, 507580, 609096, 761370, 812128, 1015160, 1218192, 1522740, 2030320, 2436384, 3045480, 4060640, 6090960, 12181920]

約数ペア:

[(1, 12181920), (2, 6090960), (3, 4060640), (4, 3045480), (5, 2436384), (6, 2030320), (8, 1522740), (10, 1218192), (12, 1015160), (15, 812128), (16, 761370), (20, 609096), (24, 507580), (30, 406064), (32, 380685), (40, 304548), (41, 297120), (48, 253790), (60, 203032), (80, 152274), (82, 148560), (96, 126895), (120, 101516), (123, 99040), (160, 76137), (164, 74280), (205, 59424), (240, 50758), (246, 49520), (328, 37140), (410, 29712), (480, 25379), (492, 24760), (615, 19808), (619, 19680), (656, 18570), (820, 14856), (984, 12380), (1230, 9904), (1238, 9840), (1312, 9285), (1640, 7428), (1857, 6560), (1968, 6190), (2460, 4952), (2476, 4920), (3095, 3936), (3280, 3714)]