30661680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{18251}}^1$

素因数の和:18274

約数の個数: 80

約数和(自身を含む): 108635904

約数和(自身を除く): 77974224

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 18251, 36502, 54753, 73004, 91255, 109506, 127757, 146008, 182510, 219012, 255514, 273765, 292016, 365020, 383271, 438024, 511028, 547530, 638785, 730040, 766542, 876048, 1022056, 1095060, 1277570, 1460080, 1533084, 1916355, 2044112, 2190120, 2555140, 3066168, 3832710, 4380240, 5110280, 6132336, 7665420, 10220560, 15330840, 30661680]

約数ペア:

[(1, 30661680), (2, 15330840), (3, 10220560), (4, 7665420), (5, 6132336), (6, 5110280), (7, 4380240), (8, 3832710), (10, 3066168), (12, 2555140), (14, 2190120), (15, 2044112), (16, 1916355), (20, 1533084), (21, 1460080), (24, 1277570), (28, 1095060), (30, 1022056), (35, 876048), (40, 766542), (42, 730040), (48, 638785), (56, 547530), (60, 511028), (70, 438024), (80, 383271), (84, 365020), (105, 292016), (112, 273765), (120, 255514), (140, 219012), (168, 182510), (210, 146008), (240, 127757), (280, 109506), (336, 91255), (420, 73004), (560, 54753), (840, 36502), (1680, 18251)]