18340560

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{1213}}^1$

素因数の和:1242

約数の個数: 160

約数和(自身を含む): 72257280

約数和(自身を除く): 53916720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1213, 1260, 1512, 1680, 1890, 2160, 2426, 2520, 3024, 3639, 3780, 4852, 5040, 6065, 7278, 7560, 8491, 9704, 10917, 12130, 14556, 15120, 16982, 18195, 19408, 21834, 24260, 25473, 29112, 32751, 33964, 36390, 42455, 43668, 48520, 50946, 54585, 58224, 65502, 67928, 72780, 76419, 84910, 87336, 97040, 101892, 109170, 127365, 131004, 135856, 145560, 152838, 163755, 169820, 174672, 203784, 218340, 229257, 254730, 262008, 291120, 305676, 327510, 339640, 382095, 407568, 436680, 458514, 509460, 524016, 611352, 655020, 679280, 764190, 873360, 917028, 1018920, 1146285, 1222704, 1310040, 1528380, 1834056, 2037840, 2292570, 2620080, 3056760, 3668112, 4585140, 6113520, 9170280, 18340560]

約数ペア:

[(1, 18340560), (2, 9170280), (3, 6113520), (4, 4585140), (5, 3668112), (6, 3056760), (7, 2620080), (8, 2292570), (9, 2037840), (10, 1834056), (12, 1528380), (14, 1310040), (15, 1222704), (16, 1146285), (18, 1018920), (20, 917028), (21, 873360), (24, 764190), (27, 679280), (28, 655020), (30, 611352), (35, 524016), (36, 509460), (40, 458514), (42, 436680), (45, 407568), (48, 382095), (54, 339640), (56, 327510), (60, 305676), (63, 291120), (70, 262008), (72, 254730), (80, 229257), (84, 218340), (90, 203784), (105, 174672), (108, 169820), (112, 163755), (120, 152838), (126, 145560), (135, 135856), (140, 131004), (144, 127365), (168, 109170), (180, 101892), (189, 97040), (210, 87336), (216, 84910), (240, 76419), (252, 72780), (270, 67928), (280, 65502), (315, 58224), (336, 54585), (360, 50946), (378, 48520), (420, 43668), (432, 42455), (504, 36390), (540, 33964), (560, 32751), (630, 29112), (720, 25473), (756, 24260), (840, 21834), (945, 19408), (1008, 18195), (1080, 16982), (1213, 15120), (1260, 14556), (1512, 12130), (1680, 10917), (1890, 9704), (2160, 8491), (2426, 7560), (2520, 7278), (3024, 6065), (3639, 5040), (3780, 4852)]