72505160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19919}}^1$

素因数の和:19950

約数の個数: 64

約数和(自身を含む): 200793600

約数和(自身を除く): 128288440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19919, 39838, 79676, 99595, 139433, 159352, 199190, 258947, 278866, 398380, 517894, 557732, 697165, 796760, 1035788, 1115464, 1294735, 1394330, 1812629, 2071576, 2589470, 2788660, 3625258, 5178940, 5577320, 7250516, 9063145, 10357880, 14501032, 18126290, 36252580, 72505160]

約数ペア:

[(1, 72505160), (2, 36252580), (4, 18126290), (5, 14501032), (7, 10357880), (8, 9063145), (10, 7250516), (13, 5577320), (14, 5178940), (20, 3625258), (26, 2788660), (28, 2589470), (35, 2071576), (40, 1812629), (52, 1394330), (56, 1294735), (65, 1115464), (70, 1035788), (91, 796760), (104, 697165), (130, 557732), (140, 517894), (182, 398380), (260, 278866), (280, 258947), (364, 199190), (455, 159352), (520, 139433), (728, 99595), (910, 79676), (1820, 39838), (3640, 19919)]