80937108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{631}}^1$

素因数の和:1157

約数の個数: 72

約数和(自身を含む): 234648960

約数和(自身を除く): 153711852

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509, 631, 1018, 1262, 1527, 1893, 2036, 2524, 3054, 3563, 3786, 4417, 4581, 5679, 6108, 7126, 7572, 8834, 9162, 10689, 11358, 13251, 14252, 17668, 18324, 21378, 22716, 26502, 32067, 39753, 42756, 53004, 64134, 79506, 128268, 159012, 321179, 642358, 963537, 1284716, 1927074, 2248253, 2890611, 3854148, 4496506, 5781222, 6744759, 8993012, 11562444, 13489518, 20234277, 26979036, 40468554, 80937108]

約数ペア:

[(1, 80937108), (2, 40468554), (3, 26979036), (4, 20234277), (6, 13489518), (7, 11562444), (9, 8993012), (12, 6744759), (14, 5781222), (18, 4496506), (21, 3854148), (28, 2890611), (36, 2248253), (42, 1927074), (63, 1284716), (84, 963537), (126, 642358), (252, 321179), (509, 159012), (631, 128268), (1018, 79506), (1262, 64134), (1527, 53004), (1893, 42756), (2036, 39753), (2524, 32067), (3054, 26502), (3563, 22716), (3786, 21378), (4417, 18324), (4581, 17668), (5679, 14252), (6108, 13251), (7126, 11358), (7572, 10689), (8834, 9162)]