1256222760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{805271}}^1$

素因数の和:805298

約数の個数: 64

約数和(自身を含む): 4058570880

約数和(自身を除く): 2802348120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 805271, 1610542, 2415813, 3221084, 4026355, 4831626, 6442168, 8052710, 9663252, 10468523, 12079065, 16105420, 19326504, 20937046, 24158130, 31405569, 32210840, 41874092, 48316260, 52342615, 62811138, 83748184, 96632520, 104685230, 125622276, 157027845, 209370460, 251244552, 314055690, 418740920, 628111380, 1256222760]

約数ペア:

[(1, 1256222760), (2, 628111380), (3, 418740920), (4, 314055690), (5, 251244552), (6, 209370460), (8, 157027845), (10, 125622276), (12, 104685230), (13, 96632520), (15, 83748184), (20, 62811138), (24, 52342615), (26, 48316260), (30, 41874092), (39, 32210840), (40, 31405569), (52, 24158130), (60, 20937046), (65, 19326504), (78, 16105420), (104, 12079065), (120, 10468523), (130, 9663252), (156, 8052710), (195, 6442168), (260, 4831626), (312, 4026355), (390, 3221084), (520, 2415813), (780, 1610542), (1560, 805271)]