820176516

素因数分解:

$2^2\times 3^5\times {\mathrm{97}}^1\times {\mathrm{8699}}^1$

素因数の和:8815

約数の個数: 72

約数和(自身を含む): 2172424800

約数和(自身を除く): 1352248284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 243, 291, 324, 388, 486, 582, 873, 972, 1164, 1746, 2619, 3492, 5238, 7857, 8699, 10476, 15714, 17398, 23571, 26097, 31428, 34796, 47142, 52194, 78291, 94284, 104388, 156582, 234873, 313164, 469746, 704619, 843803, 939492, 1409238, 1687606, 2113857, 2531409, 2818476, 3375212, 4227714, 5062818, 7594227, 8455428, 10125636, 15188454, 22782681, 30376908, 45565362, 68348043, 91130724, 136696086, 205044129, 273392172, 410088258, 820176516]

約数ペア:

[(1, 820176516), (2, 410088258), (3, 273392172), (4, 205044129), (6, 136696086), (9, 91130724), (12, 68348043), (18, 45565362), (27, 30376908), (36, 22782681), (54, 15188454), (81, 10125636), (97, 8455428), (108, 7594227), (162, 5062818), (194, 4227714), (243, 3375212), (291, 2818476), (324, 2531409), (388, 2113857), (486, 1687606), (582, 1409238), (873, 939492), (972, 843803), (1164, 704619), (1746, 469746), (2619, 313164), (3492, 234873), (5238, 156582), (7857, 104388), (8699, 94284), (10476, 78291), (15714, 52194), (17398, 47142), (23571, 34796), (26097, 31428)]