71986373840

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1237}}^1\times {\mathrm{2339}}^1$

素因数の和:3900

約数の個数: 80

約数和(自身を含む): 168114061440

約数和(自身を除く): 96127687600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1237, 1244, 1555, 2339, 2474, 2488, 3110, 4678, 4948, 4976, 6185, 6220, 9356, 9896, 11695, 12370, 12440, 18712, 19792, 23390, 24740, 24880, 37424, 46780, 49480, 93560, 98960, 187120, 384707, 727429, 769414, 1454858, 1538828, 1923535, 2893343, 2909716, 3077656, 3637145, 3847070, 5786686, 5819432, 6155312, 7274290, 7694140, 11573372, 11638864, 14466715, 14548580, 15388280, 23146744, 28933430, 29097160, 30776560, 46293488, 57866860, 58194320, 115733720, 231467440, 899829673, 1799659346, 3599318692, 4499148365, 7198637384, 8998296730, 14397274768, 17996593460, 35993186920, 71986373840]

約数ペア:

[(1, 71986373840), (2, 35993186920), (4, 17996593460), (5, 14397274768), (8, 8998296730), (10, 7198637384), (16, 4499148365), (20, 3599318692), (40, 1799659346), (80, 899829673), (311, 231467440), (622, 115733720), (1237, 58194320), (1244, 57866860), (1555, 46293488), (2339, 30776560), (2474, 29097160), (2488, 28933430), (3110, 23146744), (4678, 15388280), (4948, 14548580), (4976, 14466715), (6185, 11638864), (6220, 11573372), (9356, 7694140), (9896, 7274290), (11695, 6155312), (12370, 5819432), (12440, 5786686), (18712, 3847070), (19792, 3637145), (23390, 3077656), (24740, 2909716), (24880, 2893343), (37424, 1923535), (46780, 1538828), (49480, 1454858), (93560, 769414), (98960, 727429), (187120, 384707)]