1520784640

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1487}}^1$

素因数の和:1572

約数の個数: 144

約数和(自身を含む): 3941747712

約数和(自身を除く): 2420963072

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 128, 136, 160, 170, 188, 235, 256, 272, 320, 340, 376, 470, 544, 640, 680, 752, 799, 940, 1088, 1280, 1360, 1487, 1504, 1598, 1880, 2176, 2720, 2974, 3008, 3196, 3760, 3995, 4352, 5440, 5948, 6016, 6392, 7435, 7520, 7990, 10880, 11896, 12032, 12784, 14870, 15040, 15980, 21760, 23792, 25279, 25568, 29740, 30080, 31960, 47584, 50558, 51136, 59480, 60160, 63920, 69889, 95168, 101116, 102272, 118960, 126395, 127840, 139778, 190336, 202232, 204544, 237920, 252790, 255680, 279556, 349445, 380672, 404464, 475840, 505580, 511360, 559112, 698890, 808928, 951680, 1011160, 1022720, 1118224, 1188113, 1397780, 1617856, 1903360, 2022320, 2236448, 2376226, 2795560, 3235712, 4044640, 4472896, 4752452, 5591120, 5940565, 6471424, 8089280, 8945792, 9504904, 11182240, 11881130, 16178560, 17891584, 19009808, 22364480, 23762260, 32357120, 38019616, 44728960, 47524520, 76039232, 89457920, 95049040, 152078464, 190098080, 304156928, 380196160, 760392320, 1520784640]

約数ペア:

[(1, 1520784640), (2, 760392320), (4, 380196160), (5, 304156928), (8, 190098080), (10, 152078464), (16, 95049040), (17, 89457920), (20, 76039232), (32, 47524520), (34, 44728960), (40, 38019616), (47, 32357120), (64, 23762260), (68, 22364480), (80, 19009808), (85, 17891584), (94, 16178560), (128, 11881130), (136, 11182240), (160, 9504904), (170, 8945792), (188, 8089280), (235, 6471424), (256, 5940565), (272, 5591120), (320, 4752452), (340, 4472896), (376, 4044640), (470, 3235712), (544, 2795560), (640, 2376226), (680, 2236448), (752, 2022320), (799, 1903360), (940, 1617856), (1088, 1397780), (1280, 1188113), (1360, 1118224), (1487, 1022720), (1504, 1011160), (1598, 951680), (1880, 808928), (2176, 698890), (2720, 559112), (2974, 511360), (3008, 505580), (3196, 475840), (3760, 404464), (3995, 380672), (4352, 349445), (5440, 279556), (5948, 255680), (6016, 252790), (6392, 237920), (7435, 204544), (7520, 202232), (7990, 190336), (10880, 139778), (11896, 127840), (12032, 126395), (12784, 118960), (14870, 102272), (15040, 101116), (15980, 95168), (21760, 69889), (23792, 63920), (25279, 60160), (25568, 59480), (29740, 51136), (30080, 50558), (31960, 47584)]