880639515

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{5471}}^1$

素因数の和:5569

約数の個数: 72

約数和(自身を含む): 1800309888

約数和(自身を除く): 919670373

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 73, 105, 147, 219, 245, 315, 365, 441, 511, 657, 735, 1095, 1533, 2205, 2555, 3285, 3577, 4599, 5471, 7665, 10731, 16413, 17885, 22995, 27355, 32193, 38297, 49239, 53655, 82065, 114891, 160965, 191485, 246195, 268079, 344673, 399383, 574455, 804237, 1198149, 1340395, 1723365, 1996915, 2412711, 2795681, 3594447, 4021185, 5990745, 8387043, 12063555, 13978405, 17972235, 19569767, 25161129, 41935215, 58709301, 97848835, 125805645, 176127903, 293546505, 880639515]

約数ペア:

[(1, 880639515), (3, 293546505), (5, 176127903), (7, 125805645), (9, 97848835), (15, 58709301), (21, 41935215), (35, 25161129), (45, 19569767), (49, 17972235), (63, 13978405), (73, 12063555), (105, 8387043), (147, 5990745), (219, 4021185), (245, 3594447), (315, 2795681), (365, 2412711), (441, 1996915), (511, 1723365), (657, 1340395), (735, 1198149), (1095, 804237), (1533, 574455), (2205, 399383), (2555, 344673), (3285, 268079), (3577, 246195), (4599, 191485), (5471, 160965), (7665, 114891), (10731, 82065), (16413, 53655), (17885, 49239), (22995, 38297), (27355, 32193)]