72488780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{39829}}^1$

素因数の和:39858

約数の個数: 48

約数和(自身を含む): 187360320

約数和(自身を除く): 114871540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 39829, 79658, 159316, 199145, 278803, 398290, 517777, 557606, 796580, 1035554, 1115212, 1394015, 2071108, 2588885, 2788030, 3624439, 5177770, 5576060, 7248878, 10355540, 14497756, 18122195, 36244390, 72488780]

約数ペア:

[(1, 72488780), (2, 36244390), (4, 18122195), (5, 14497756), (7, 10355540), (10, 7248878), (13, 5576060), (14, 5177770), (20, 3624439), (26, 2788030), (28, 2588885), (35, 2071108), (52, 1394015), (65, 1115212), (70, 1035554), (91, 796580), (130, 557606), (140, 517777), (182, 398290), (260, 278803), (364, 199145), (455, 159316), (910, 79658), (1820, 39829)]