77966720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9371}}^1$

素因数の和:9403

約数の個数: 64

約数和(自身を含む): 200748240

約数和(自身を除く): 122781520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 8320, 9371, 18742, 37484, 46855, 74968, 93710, 121823, 149936, 187420, 243646, 299872, 374840, 487292, 599744, 609115, 749680, 974584, 1199488, 1218230, 1499360, 1949168, 2436460, 2998720, 3898336, 4872920, 5997440, 7796672, 9745840, 15593344, 19491680, 38983360, 77966720]

約数ペア:

[(1, 77966720), (2, 38983360), (4, 19491680), (5, 15593344), (8, 9745840), (10, 7796672), (13, 5997440), (16, 4872920), (20, 3898336), (26, 2998720), (32, 2436460), (40, 1949168), (52, 1499360), (64, 1218230), (65, 1199488), (80, 974584), (104, 749680), (128, 609115), (130, 599744), (160, 487292), (208, 374840), (260, 299872), (320, 243646), (416, 187420), (520, 149936), (640, 121823), (832, 93710), (1040, 74968), (1664, 46855), (2080, 37484), (4160, 18742), (8320, 9371)]