28147380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 96

約数和(自身を含む): 83758080

約数和(自身を除く): 55610700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 37, 60, 62, 74, 93, 111, 124, 148, 155, 185, 186, 222, 310, 370, 372, 409, 444, 465, 555, 620, 740, 818, 930, 1110, 1147, 1227, 1636, 1860, 2045, 2220, 2294, 2454, 3441, 4090, 4588, 4908, 5735, 6135, 6882, 8180, 11470, 12270, 12679, 13764, 15133, 17205, 22940, 24540, 25358, 30266, 34410, 38037, 45399, 50716, 60532, 63395, 68820, 75665, 76074, 90798, 126790, 151330, 152148, 181596, 190185, 226995, 253580, 302660, 380370, 453990, 469123, 760740, 907980, 938246, 1407369, 1876492, 2345615, 2814738, 4691230, 5629476, 7036845, 9382460, 14073690, 28147380]

約数ペア:

[(1, 28147380), (2, 14073690), (3, 9382460), (4, 7036845), (5, 5629476), (6, 4691230), (10, 2814738), (12, 2345615), (15, 1876492), (20, 1407369), (30, 938246), (31, 907980), (37, 760740), (60, 469123), (62, 453990), (74, 380370), (93, 302660), (111, 253580), (124, 226995), (148, 190185), (155, 181596), (185, 152148), (186, 151330), (222, 126790), (310, 90798), (370, 76074), (372, 75665), (409, 68820), (444, 63395), (465, 60532), (555, 50716), (620, 45399), (740, 38037), (818, 34410), (930, 30266), (1110, 25358), (1147, 24540), (1227, 22940), (1636, 17205), (1860, 15133), (2045, 13764), (2220, 12679), (2294, 12270), (2454, 11470), (3441, 8180), (4090, 6882), (4588, 6135), (4908, 5735)]