18341120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 144

約数和(自身を含む): 52980480

約数和(自身を除く): 34639360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 89, 92, 112, 115, 128, 140, 160, 161, 178, 184, 224, 230, 256, 280, 320, 322, 356, 368, 445, 448, 460, 560, 623, 640, 644, 712, 736, 805, 890, 896, 920, 1120, 1246, 1280, 1288, 1424, 1472, 1610, 1780, 1792, 1840, 2047, 2240, 2492, 2576, 2848, 2944, 3115, 3220, 3560, 3680, 4094, 4480, 4984, 5152, 5696, 5888, 6230, 6440, 7120, 7360, 8188, 8960, 9968, 10235, 10304, 11392, 12460, 12880, 14240, 14329, 14720, 16376, 19936, 20470, 20608, 22784, 24920, 25760, 28480, 28658, 29440, 32752, 39872, 40940, 41216, 49840, 51520, 56960, 57316, 65504, 71645, 79744, 81880, 99680, 103040, 113920, 114632, 131008, 143290, 159488, 163760, 199360, 206080, 229264, 262016, 286580, 327520, 398720, 458528, 524032, 573160, 655040, 797440, 917056, 1146320, 1310080, 1834112, 2292640, 2620160, 3668224, 4585280, 9170560, 18341120]

約数ペア:

[(1, 18341120), (2, 9170560), (4, 4585280), (5, 3668224), (7, 2620160), (8, 2292640), (10, 1834112), (14, 1310080), (16, 1146320), (20, 917056), (23, 797440), (28, 655040), (32, 573160), (35, 524032), (40, 458528), (46, 398720), (56, 327520), (64, 286580), (70, 262016), (80, 229264), (89, 206080), (92, 199360), (112, 163760), (115, 159488), (128, 143290), (140, 131008), (160, 114632), (161, 113920), (178, 103040), (184, 99680), (224, 81880), (230, 79744), (256, 71645), (280, 65504), (320, 57316), (322, 56960), (356, 51520), (368, 49840), (445, 41216), (448, 40940), (460, 39872), (560, 32752), (623, 29440), (640, 28658), (644, 28480), (712, 25760), (736, 24920), (805, 22784), (890, 20608), (896, 20470), (920, 19936), (1120, 16376), (1246, 14720), (1280, 14329), (1288, 14240), (1424, 12880), (1472, 12460), (1610, 11392), (1780, 10304), (1792, 10235), (1840, 9968), (2047, 8960), (2240, 8188), (2492, 7360), (2576, 7120), (2848, 6440), (2944, 6230), (3115, 5888), (3220, 5696), (3560, 5152), (3680, 4984), (4094, 4480)]