1780389760

素因数分解:

$2^7\times 5^1\times {\mathrm{683}}^1\times {\mathrm{4073}}^1$

素因数の和:4775

約数の個数: 64

約数和(自身を含む): 4263522480

約数和(自身を除く): 2483132720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 683, 1366, 2732, 3415, 4073, 5464, 6830, 8146, 10928, 13660, 16292, 20365, 21856, 27320, 32584, 40730, 43712, 54640, 65168, 81460, 87424, 109280, 130336, 162920, 218560, 260672, 325840, 437120, 521344, 651680, 1303360, 2606720, 2781859, 5563718, 11127436, 13909295, 22254872, 27818590, 44509744, 55637180, 89019488, 111274360, 178038976, 222548720, 356077952, 445097440, 890194880, 1780389760]

約数ペア:

[(1, 1780389760), (2, 890194880), (4, 445097440), (5, 356077952), (8, 222548720), (10, 178038976), (16, 111274360), (20, 89019488), (32, 55637180), (40, 44509744), (64, 27818590), (80, 22254872), (128, 13909295), (160, 11127436), (320, 5563718), (640, 2781859), (683, 2606720), (1366, 1303360), (2732, 651680), (3415, 521344), (4073, 437120), (5464, 325840), (6830, 260672), (8146, 218560), (10928, 162920), (13660, 130336), (16292, 109280), (20365, 87424), (21856, 81460), (27320, 65168), (32584, 54640), (40730, 43712)]