239728640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 96

約数和(自身を含む): 590269680

約数和(自身を除く): 350541040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 571, 640, 656, 820, 1024, 1142, 1280, 1312, 1640, 2048, 2284, 2560, 2624, 2855, 3280, 4568, 5120, 5248, 5710, 6560, 9136, 10240, 10496, 11420, 13120, 18272, 20992, 22840, 23411, 26240, 36544, 41984, 45680, 46822, 52480, 73088, 83968, 91360, 93644, 104960, 117055, 146176, 182720, 187288, 209920, 234110, 292352, 365440, 374576, 419840, 468220, 584704, 730880, 749152, 936440, 1169408, 1461760, 1498304, 1872880, 2923520, 2996608, 3745760, 5847040, 5993216, 7491520, 11986432, 14983040, 23972864, 29966080, 47945728, 59932160, 119864320, 239728640]

約数ペア:

[(1, 239728640), (2, 119864320), (4, 59932160), (5, 47945728), (8, 29966080), (10, 23972864), (16, 14983040), (20, 11986432), (32, 7491520), (40, 5993216), (41, 5847040), (64, 3745760), (80, 2996608), (82, 2923520), (128, 1872880), (160, 1498304), (164, 1461760), (205, 1169408), (256, 936440), (320, 749152), (328, 730880), (410, 584704), (512, 468220), (571, 419840), (640, 374576), (656, 365440), (820, 292352), (1024, 234110), (1142, 209920), (1280, 187288), (1312, 182720), (1640, 146176), (2048, 117055), (2284, 104960), (2560, 93644), (2624, 91360), (2855, 83968), (3280, 73088), (4568, 52480), (5120, 46822), (5248, 45680), (5710, 41984), (6560, 36544), (9136, 26240), (10240, 23411), (10496, 22840), (11420, 20992), (13120, 18272)]