31901280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1680

約数の個数: 96

約数和(自身を含む): 103003488

約数和(自身を除く): 71102208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 80, 82, 96, 120, 123, 160, 164, 205, 240, 246, 328, 410, 480, 492, 615, 656, 820, 984, 1230, 1312, 1621, 1640, 1968, 2460, 3242, 3280, 3936, 4863, 4920, 6484, 6560, 8105, 9726, 9840, 12968, 16210, 19452, 19680, 24315, 25936, 32420, 38904, 48630, 51872, 64840, 66461, 77808, 97260, 129680, 132922, 155616, 194520, 199383, 259360, 265844, 332305, 389040, 398766, 531688, 664610, 778080, 797532, 996915, 1063376, 1329220, 1595064, 1993830, 2126752, 2658440, 3190128, 3987660, 5316880, 6380256, 7975320, 10633760, 15950640, 31901280]

約数ペア:

[(1, 31901280), (2, 15950640), (3, 10633760), (4, 7975320), (5, 6380256), (6, 5316880), (8, 3987660), (10, 3190128), (12, 2658440), (15, 2126752), (16, 1993830), (20, 1595064), (24, 1329220), (30, 1063376), (32, 996915), (40, 797532), (41, 778080), (48, 664610), (60, 531688), (80, 398766), (82, 389040), (96, 332305), (120, 265844), (123, 259360), (160, 199383), (164, 194520), (205, 155616), (240, 132922), (246, 129680), (328, 97260), (410, 77808), (480, 66461), (492, 64840), (615, 51872), (656, 48630), (820, 38904), (984, 32420), (1230, 25936), (1312, 24315), (1621, 19680), (1640, 19452), (1968, 16210), (2460, 12968), (3242, 9840), (3280, 9726), (3936, 8105), (4863, 6560), (4920, 6484)]