80971236

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2753}}^1$

素因数の和:2825

約数の個数: 72

約数和(自身を含む): 220540320

約数和(自身を除く): 139569084

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 43, 57, 76, 86, 114, 129, 171, 172, 228, 258, 342, 387, 516, 684, 774, 817, 1548, 1634, 2451, 2753, 3268, 4902, 5506, 7353, 8259, 9804, 11012, 14706, 16518, 24777, 29412, 33036, 49554, 52307, 99108, 104614, 118379, 156921, 209228, 236758, 313842, 355137, 470763, 473516, 627684, 710274, 941526, 1065411, 1420548, 1883052, 2130822, 2249201, 4261644, 4498402, 6747603, 8996804, 13495206, 20242809, 26990412, 40485618, 80971236]

約数ペア:

[(1, 80971236), (2, 40485618), (3, 26990412), (4, 20242809), (6, 13495206), (9, 8996804), (12, 6747603), (18, 4498402), (19, 4261644), (36, 2249201), (38, 2130822), (43, 1883052), (57, 1420548), (76, 1065411), (86, 941526), (114, 710274), (129, 627684), (171, 473516), (172, 470763), (228, 355137), (258, 313842), (342, 236758), (387, 209228), (516, 156921), (684, 118379), (774, 104614), (817, 99108), (1548, 52307), (1634, 49554), (2451, 33036), (2753, 29412), (3268, 24777), (4902, 16518), (5506, 14706), (7353, 11012), (8259, 9804)]