128366940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{827}}^1$

素因数の和:1051

約数の個数: 96

約数和(自身を含む): 389491200

約数和(自身を除く): 261124260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 597, 780, 796, 827, 995, 1194, 1654, 1990, 2388, 2481, 2587, 2985, 3308, 3980, 4135, 4962, 5174, 5970, 7761, 8270, 9924, 10348, 10751, 11940, 12405, 12935, 15522, 16540, 21502, 24810, 25870, 31044, 32253, 38805, 43004, 49620, 51740, 53755, 64506, 77610, 107510, 129012, 155220, 161265, 164573, 215020, 322530, 329146, 493719, 645060, 658292, 822865, 987438, 1645730, 1974876, 2139449, 2468595, 3291460, 4278898, 4937190, 6418347, 8557796, 9874380, 10697245, 12836694, 21394490, 25673388, 32091735, 42788980, 64183470, 128366940]

約数ペア:

[(1, 128366940), (2, 64183470), (3, 42788980), (4, 32091735), (5, 25673388), (6, 21394490), (10, 12836694), (12, 10697245), (13, 9874380), (15, 8557796), (20, 6418347), (26, 4937190), (30, 4278898), (39, 3291460), (52, 2468595), (60, 2139449), (65, 1974876), (78, 1645730), (130, 987438), (156, 822865), (195, 658292), (199, 645060), (260, 493719), (390, 329146), (398, 322530), (597, 215020), (780, 164573), (796, 161265), (827, 155220), (995, 129012), (1194, 107510), (1654, 77610), (1990, 64506), (2388, 53755), (2481, 51740), (2587, 49620), (2985, 43004), (3308, 38805), (3980, 32253), (4135, 31044), (4962, 25870), (5174, 24810), (5970, 21502), (7761, 16540), (8270, 15522), (9924, 12935), (10348, 12405), (10751, 11940)]