18561840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 45719760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 79, 80, 88, 89, 110, 120, 132, 158, 165, 176, 178, 220, 237, 240, 264, 267, 316, 330, 356, 395, 440, 445, 474, 528, 534, 632, 660, 712, 790, 869, 880, 890, 948, 979, 1068, 1185, 1264, 1320, 1335, 1424, 1580, 1738, 1780, 1896, 1958, 2136, 2370, 2607, 2640, 2670, 2937, 3160, 3476, 3560, 3792, 3916, 4272, 4345, 4740, 4895, 5214, 5340, 5874, 6320, 6952, 7031, 7120, 7832, 8690, 9480, 9790, 10428, 10680, 11748, 13035, 13904, 14062, 14685, 15664, 17380, 18960, 19580, 20856, 21093, 21360, 23496, 26070, 28124, 29370, 34760, 35155, 39160, 41712, 42186, 46992, 52140, 56248, 58740, 69520, 70310, 77341, 78320, 84372, 104280, 105465, 112496, 117480, 140620, 154682, 168744, 208560, 210930, 232023, 234960, 281240, 309364, 337488, 386705, 421860, 464046, 562480, 618728, 773410, 843720, 928092, 1160115, 1237456, 1546820, 1687440, 1856184, 2320230, 3093640, 3712368, 4640460, 6187280, 9280920, 18561840]

約数ペア:

[(1, 18561840), (2, 9280920), (3, 6187280), (4, 4640460), (5, 3712368), (6, 3093640), (8, 2320230), (10, 1856184), (11, 1687440), (12, 1546820), (15, 1237456), (16, 1160115), (20, 928092), (22, 843720), (24, 773410), (30, 618728), (33, 562480), (40, 464046), (44, 421860), (48, 386705), (55, 337488), (60, 309364), (66, 281240), (79, 234960), (80, 232023), (88, 210930), (89, 208560), (110, 168744), (120, 154682), (132, 140620), (158, 117480), (165, 112496), (176, 105465), (178, 104280), (220, 84372), (237, 78320), (240, 77341), (264, 70310), (267, 69520), (316, 58740), (330, 56248), (356, 52140), (395, 46992), (440, 42186), (445, 41712), (474, 39160), (528, 35155), (534, 34760), (632, 29370), (660, 28124), (712, 26070), (790, 23496), (869, 21360), (880, 21093), (890, 20856), (948, 19580), (979, 18960), (1068, 17380), (1185, 15664), (1264, 14685), (1320, 14062), (1335, 13904), (1424, 13035), (1580, 11748), (1738, 10680), (1780, 10428), (1896, 9790), (1958, 9480), (2136, 8690), (2370, 7832), (2607, 7120), (2640, 7031), (2670, 6952), (2937, 6320), (3160, 5874), (3476, 5340), (3560, 5214), (3792, 4895), (3916, 4740), (4272, 4345)]