157422780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 496982304

約数和(自身を除く): 339559524

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 83, 90, 123, 164, 166, 180, 205, 246, 249, 257, 332, 369, 410, 415, 492, 498, 514, 615, 738, 747, 771, 820, 830, 996, 1028, 1230, 1245, 1285, 1476, 1494, 1542, 1660, 1845, 2313, 2460, 2490, 2570, 2988, 3084, 3403, 3690, 3735, 3855, 4626, 4980, 5140, 6806, 7380, 7470, 7710, 9252, 10209, 10537, 11565, 13612, 14940, 15420, 17015, 20418, 21074, 21331, 23130, 30627, 31611, 34030, 40836, 42148, 42662, 46260, 51045, 52685, 61254, 63222, 63993, 68060, 85324, 94833, 102090, 105370, 106655, 122508, 126444, 127986, 153135, 158055, 189666, 191979, 204180, 210740, 213310, 255972, 306270, 316110, 319965, 379332, 383958, 426620, 474165, 612540, 632220, 639930, 767916, 874571, 948330, 959895, 1279860, 1749142, 1896660, 1919790, 2623713, 3498284, 3839580, 4372855, 5247426, 7871139, 8745710, 10494852, 13118565, 15742278, 17491420, 26237130, 31484556, 39355695, 52474260, 78711390, 157422780]

約数ペア:

[(1, 157422780), (2, 78711390), (3, 52474260), (4, 39355695), (5, 31484556), (6, 26237130), (9, 17491420), (10, 15742278), (12, 13118565), (15, 10494852), (18, 8745710), (20, 7871139), (30, 5247426), (36, 4372855), (41, 3839580), (45, 3498284), (60, 2623713), (82, 1919790), (83, 1896660), (90, 1749142), (123, 1279860), (164, 959895), (166, 948330), (180, 874571), (205, 767916), (246, 639930), (249, 632220), (257, 612540), (332, 474165), (369, 426620), (410, 383958), (415, 379332), (492, 319965), (498, 316110), (514, 306270), (615, 255972), (738, 213310), (747, 210740), (771, 204180), (820, 191979), (830, 189666), (996, 158055), (1028, 153135), (1230, 127986), (1245, 126444), (1285, 122508), (1476, 106655), (1494, 105370), (1542, 102090), (1660, 94833), (1845, 85324), (2313, 68060), (2460, 63993), (2490, 63222), (2570, 61254), (2988, 52685), (3084, 51045), (3403, 46260), (3690, 42662), (3735, 42148), (3855, 40836), (4626, 34030), (4980, 31611), (5140, 30627), (6806, 23130), (7380, 21331), (7470, 21074), (7710, 20418), (9252, 17015), (10209, 15420), (10537, 14940), (11565, 13612)]