659420880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10691}}^1$

素因数の和:10964

約数の個数: 80

約数和(自身を含む): 2052350784

約数和(自身を除く): 1392929904

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 4112, 5140, 6168, 7710, 10280, 10691, 12336, 15420, 20560, 21382, 30840, 32073, 42764, 53455, 61680, 64146, 85528, 106910, 128292, 160365, 171056, 213820, 256584, 320730, 427640, 513168, 641460, 855280, 1282920, 2565840, 2747587, 5495174, 8242761, 10990348, 13737935, 16485522, 21980696, 27475870, 32971044, 41213805, 43961392, 54951740, 65942088, 82427610, 109903480, 131884176, 164855220, 219806960, 329710440, 659420880]

約数ペア:

[(1, 659420880), (2, 329710440), (3, 219806960), (4, 164855220), (5, 131884176), (6, 109903480), (8, 82427610), (10, 65942088), (12, 54951740), (15, 43961392), (16, 41213805), (20, 32971044), (24, 27475870), (30, 21980696), (40, 16485522), (48, 13737935), (60, 10990348), (80, 8242761), (120, 5495174), (240, 2747587), (257, 2565840), (514, 1282920), (771, 855280), (1028, 641460), (1285, 513168), (1542, 427640), (2056, 320730), (2570, 256584), (3084, 213820), (3855, 171056), (4112, 160365), (5140, 128292), (6168, 106910), (7710, 85528), (10280, 64146), (10691, 61680), (12336, 53455), (15420, 42764), (20560, 32073), (21382, 30840)]