164112780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{210401}}^1$

素因数の和:210426

約数の個数: 48

約数和(自身を含む): 494865504

約数和(自身を除く): 330752724

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 210401, 420802, 631203, 841604, 1052005, 1262406, 2104010, 2524812, 2735213, 3156015, 4208020, 5470426, 6312030, 8205639, 10940852, 12624060, 13676065, 16411278, 27352130, 32822556, 41028195, 54704260, 82056390, 164112780]

約数ペア:

[(1, 164112780), (2, 82056390), (3, 54704260), (4, 41028195), (5, 32822556), (6, 27352130), (10, 16411278), (12, 13676065), (13, 12624060), (15, 10940852), (20, 8205639), (26, 6312030), (30, 5470426), (39, 4208020), (52, 3156015), (60, 2735213), (65, 2524812), (78, 2104010), (130, 1262406), (156, 1052005), (195, 841604), (260, 631203), (390, 420802), (780, 210401)]