78221220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16931}}^1$

素因数の和:16961

約数の個数: 96

約数和(自身を含む): 273079296

約数和(自身を除く): 194858076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 132, 140, 154, 165, 210, 220, 231, 308, 330, 385, 420, 462, 660, 770, 924, 1155, 1540, 2310, 4620, 16931, 33862, 50793, 67724, 84655, 101586, 118517, 169310, 186241, 203172, 237034, 253965, 338620, 355551, 372482, 474068, 507930, 558723, 592585, 711102, 744964, 931205, 1015860, 1117446, 1185170, 1303687, 1422204, 1777755, 1862410, 2234892, 2370340, 2607374, 2793615, 3555510, 3724820, 3911061, 5214748, 5587230, 6518435, 7111020, 7822122, 11174460, 13036870, 15644244, 19555305, 26073740, 39110610, 78221220]

約数ペア:

[(1, 78221220), (2, 39110610), (3, 26073740), (4, 19555305), (5, 15644244), (6, 13036870), (7, 11174460), (10, 7822122), (11, 7111020), (12, 6518435), (14, 5587230), (15, 5214748), (20, 3911061), (21, 3724820), (22, 3555510), (28, 2793615), (30, 2607374), (33, 2370340), (35, 2234892), (42, 1862410), (44, 1777755), (55, 1422204), (60, 1303687), (66, 1185170), (70, 1117446), (77, 1015860), (84, 931205), (105, 744964), (110, 711102), (132, 592585), (140, 558723), (154, 507930), (165, 474068), (210, 372482), (220, 355551), (231, 338620), (308, 253965), (330, 237034), (385, 203172), (420, 186241), (462, 169310), (660, 118517), (770, 101586), (924, 84655), (1155, 67724), (1540, 50793), (2310, 33862), (4620, 16931)]