207978240

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1321}}^1$

素因数の和:1386

約数の個数: 144

約数和(自身を含む): 680946336

約数和(自身を除く): 472968096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 615, 640, 656, 768, 820, 960, 984, 1230, 1280, 1312, 1321, 1640, 1920, 1968, 2460, 2624, 2642, 3280, 3840, 3936, 3963, 4920, 5248, 5284, 6560, 6605, 7872, 7926, 9840, 10496, 10568, 13120, 13210, 15744, 15852, 19680, 19815, 21136, 26240, 26420, 31488, 31704, 39360, 39630, 42272, 52480, 52840, 54161, 63408, 78720, 79260, 84544, 105680, 108322, 126816, 157440, 158520, 162483, 169088, 211360, 216644, 253632, 270805, 317040, 324966, 338176, 422720, 433288, 507264, 541610, 634080, 649932, 812415, 845440, 866576, 1014528, 1083220, 1268160, 1299864, 1624830, 1690880, 1733152, 2166440, 2536320, 2599728, 3249660, 3466304, 4332880, 5072640, 5199456, 6499320, 6932608, 8665760, 10398912, 12998640, 13865216, 17331520, 20797824, 25997280, 34663040, 41595648, 51994560, 69326080, 103989120, 207978240]

約数ペア:

[(1, 207978240), (2, 103989120), (3, 69326080), (4, 51994560), (5, 41595648), (6, 34663040), (8, 25997280), (10, 20797824), (12, 17331520), (15, 13865216), (16, 12998640), (20, 10398912), (24, 8665760), (30, 6932608), (32, 6499320), (40, 5199456), (41, 5072640), (48, 4332880), (60, 3466304), (64, 3249660), (80, 2599728), (82, 2536320), (96, 2166440), (120, 1733152), (123, 1690880), (128, 1624830), (160, 1299864), (164, 1268160), (192, 1083220), (205, 1014528), (240, 866576), (246, 845440), (256, 812415), (320, 649932), (328, 634080), (384, 541610), (410, 507264), (480, 433288), (492, 422720), (615, 338176), (640, 324966), (656, 317040), (768, 270805), (820, 253632), (960, 216644), (984, 211360), (1230, 169088), (1280, 162483), (1312, 158520), (1321, 157440), (1640, 126816), (1920, 108322), (1968, 105680), (2460, 84544), (2624, 79260), (2642, 78720), (3280, 63408), (3840, 54161), (3936, 52840), (3963, 52480), (4920, 42272), (5248, 39630), (5284, 39360), (6560, 31704), (6605, 31488), (7872, 26420), (7926, 26240), (9840, 21136), (10496, 19815), (10568, 19680), (13120, 15852), (13210, 15744)]