1685818120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{261773}}^1$

素因数の和:261814

約数の個数: 64

約数和(自身を含む): 4523454720

約数和(自身を除く): 2837636600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 261773, 523546, 1047092, 1308865, 1832411, 2094184, 2617730, 3664822, 5235460, 6020779, 7329644, 9162055, 10470920, 12041558, 14659288, 18324110, 24083116, 30103895, 36648220, 42145453, 48166232, 60207790, 73296440, 84290906, 120415580, 168581812, 210727265, 240831160, 337163624, 421454530, 842909060, 1685818120]

約数ペア:

[(1, 1685818120), (2, 842909060), (4, 421454530), (5, 337163624), (7, 240831160), (8, 210727265), (10, 168581812), (14, 120415580), (20, 84290906), (23, 73296440), (28, 60207790), (35, 48166232), (40, 42145453), (46, 36648220), (56, 30103895), (70, 24083116), (92, 18324110), (115, 14659288), (140, 12041558), (161, 10470920), (184, 9162055), (230, 7329644), (280, 6020779), (322, 5235460), (460, 3664822), (644, 2617730), (805, 2094184), (920, 1832411), (1288, 1308865), (1610, 1047092), (3220, 523546), (6440, 261773)]