205806720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{15313}}^1$

素因数の和:15342

約数の個数: 128

約数和(自身を含む): 749773440

約数和(自身を除く): 543966720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 15313, 30626, 45939, 61252, 76565, 91878, 107191, 122504, 153130, 183756, 214382, 229695, 245008, 306260, 321573, 367512, 428764, 459390, 490016, 535955, 612520, 643146, 735024, 857528, 918780, 980032, 1071910, 1225040, 1286292, 1470048, 1607865, 1715056, 1837560, 1960064, 2143820, 2450080, 2572584, 2940096, 3215730, 3430112, 3675120, 4287640, 4900160, 5145168, 5880192, 6431460, 6860224, 7350240, 8575280, 9800320, 10290336, 12862920, 13720448, 14700480, 17150560, 20580672, 25725840, 29400960, 34301120, 41161344, 51451680, 68602240, 102903360, 205806720]

約数ペア:

[(1, 205806720), (2, 102903360), (3, 68602240), (4, 51451680), (5, 41161344), (6, 34301120), (7, 29400960), (8, 25725840), (10, 20580672), (12, 17150560), (14, 14700480), (15, 13720448), (16, 12862920), (20, 10290336), (21, 9800320), (24, 8575280), (28, 7350240), (30, 6860224), (32, 6431460), (35, 5880192), (40, 5145168), (42, 4900160), (48, 4287640), (56, 3675120), (60, 3430112), (64, 3215730), (70, 2940096), (80, 2572584), (84, 2450080), (96, 2143820), (105, 1960064), (112, 1837560), (120, 1715056), (128, 1607865), (140, 1470048), (160, 1286292), (168, 1225040), (192, 1071910), (210, 980032), (224, 918780), (240, 857528), (280, 735024), (320, 643146), (336, 612520), (384, 535955), (420, 490016), (448, 459390), (480, 428764), (560, 367512), (640, 321573), (672, 306260), (840, 245008), (896, 229695), (960, 214382), (1120, 183756), (1344, 153130), (1680, 122504), (1920, 107191), (2240, 91878), (2688, 76565), (3360, 61252), (4480, 45939), (6720, 30626), (13440, 15313)]