639892080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28669}}^1$

素因数の和:28719

約数の個数: 120

約数和(自身を含む): 2218369920

約数和(自身を除く): 1578477840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 28669, 57338, 86007, 114676, 143345, 172014, 229352, 258021, 286690, 344028, 430035, 458704, 516042, 573380, 688056, 860070, 888739, 1032084, 1146760, 1290105, 1376112, 1720140, 1777478, 2064168, 2293520, 2580210, 2666217, 3440280, 3554956, 4128336, 4443695, 5160420, 5332434, 6880560, 7109912, 7998651, 8887390, 10320840, 10664868, 13331085, 14219824, 15997302, 17774780, 20641680, 21329736, 26662170, 31994604, 35549560, 39993255, 42659472, 53324340, 63989208, 71099120, 79986510, 106648680, 127978416, 159973020, 213297360, 319946040, 639892080]

約数ペア:

[(1, 639892080), (2, 319946040), (3, 213297360), (4, 159973020), (5, 127978416), (6, 106648680), (8, 79986510), (9, 71099120), (10, 63989208), (12, 53324340), (15, 42659472), (16, 39993255), (18, 35549560), (20, 31994604), (24, 26662170), (30, 21329736), (31, 20641680), (36, 17774780), (40, 15997302), (45, 14219824), (48, 13331085), (60, 10664868), (62, 10320840), (72, 8887390), (80, 7998651), (90, 7109912), (93, 6880560), (120, 5332434), (124, 5160420), (144, 4443695), (155, 4128336), (180, 3554956), (186, 3440280), (240, 2666217), (248, 2580210), (279, 2293520), (310, 2064168), (360, 1777478), (372, 1720140), (465, 1376112), (496, 1290105), (558, 1146760), (620, 1032084), (720, 888739), (744, 860070), (930, 688056), (1116, 573380), (1240, 516042), (1395, 458704), (1488, 430035), (1860, 344028), (2232, 286690), (2480, 258021), (2790, 229352), (3720, 172014), (4464, 143345), (5580, 114676), (7440, 86007), (11160, 57338), (22320, 28669)]