156013060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{397}}^1\times {\mathrm{401}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 383030424

約数和(自身を除く): 227017364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 397, 401, 490, 794, 802, 980, 1588, 1604, 1985, 2005, 2779, 2807, 3970, 4010, 5558, 5614, 7940, 8020, 11116, 11228, 13895, 14035, 19453, 19649, 27790, 28070, 38906, 39298, 55580, 56140, 77812, 78596, 97265, 98245, 159197, 194530, 196490, 318394, 389060, 392980, 636788, 795985, 1114379, 1591970, 2228758, 3183940, 4457516, 5571895, 7800653, 11143790, 15601306, 22287580, 31202612, 39003265, 78006530, 156013060]

約数ペア:

[(1, 156013060), (2, 78006530), (4, 39003265), (5, 31202612), (7, 22287580), (10, 15601306), (14, 11143790), (20, 7800653), (28, 5571895), (35, 4457516), (49, 3183940), (70, 2228758), (98, 1591970), (140, 1114379), (196, 795985), (245, 636788), (397, 392980), (401, 389060), (490, 318394), (794, 196490), (802, 194530), (980, 159197), (1588, 98245), (1604, 97265), (1985, 78596), (2005, 77812), (2779, 56140), (2807, 55580), (3970, 39298), (4010, 38906), (5558, 28070), (5614, 27790), (7940, 19649), (8020, 19453), (11116, 14035), (11228, 13895)]