77976440

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 184757760

約数和(自身を除く): 106781320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 131, 184, 230, 262, 460, 524, 647, 655, 920, 1048, 1294, 1310, 2588, 2620, 3013, 3235, 5176, 5240, 6026, 6470, 12052, 12940, 14881, 15065, 24104, 25880, 29762, 30130, 59524, 60260, 74405, 84757, 119048, 120520, 148810, 169514, 297620, 339028, 423785, 595240, 678056, 847570, 1695140, 1949411, 3390280, 3898822, 7797644, 9747055, 15595288, 19494110, 38988220, 77976440]

約数ペア:

[(1, 77976440), (2, 38988220), (4, 19494110), (5, 15595288), (8, 9747055), (10, 7797644), (20, 3898822), (23, 3390280), (40, 1949411), (46, 1695140), (92, 847570), (115, 678056), (131, 595240), (184, 423785), (230, 339028), (262, 297620), (460, 169514), (524, 148810), (647, 120520), (655, 119048), (920, 84757), (1048, 74405), (1294, 60260), (1310, 59524), (2588, 30130), (2620, 29762), (3013, 25880), (3235, 24104), (5176, 15065), (5240, 14881), (6026, 12940), (6470, 12052)]