30219080

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:294

約数の個数: 64

約数和(自身を含む): 70329600

約数和(自身を除く): 40110520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 79, 131, 146, 158, 262, 292, 316, 365, 395, 524, 584, 632, 655, 730, 790, 1048, 1310, 1460, 1580, 2620, 2920, 3160, 5240, 5767, 9563, 10349, 11534, 19126, 20698, 23068, 28835, 38252, 41396, 46136, 47815, 51745, 57670, 76504, 82792, 95630, 103490, 115340, 191260, 206980, 230680, 382520, 413960, 755477, 1510954, 3021908, 3777385, 6043816, 7554770, 15109540, 30219080]

約数ペア:

[(1, 30219080), (2, 15109540), (4, 7554770), (5, 6043816), (8, 3777385), (10, 3021908), (20, 1510954), (40, 755477), (73, 413960), (79, 382520), (131, 230680), (146, 206980), (158, 191260), (262, 115340), (292, 103490), (316, 95630), (365, 82792), (395, 76504), (524, 57670), (584, 51745), (632, 47815), (655, 46136), (730, 41396), (790, 38252), (1048, 28835), (1310, 23068), (1460, 20698), (1580, 19126), (2620, 11534), (2920, 10349), (3160, 9563), (5240, 5767)]