2783490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 7160832

約数和(自身を除く): 4377342

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 41, 62, 73, 82, 93, 123, 146, 155, 186, 205, 219, 246, 310, 365, 410, 438, 465, 615, 730, 930, 1095, 1230, 1271, 2190, 2263, 2542, 2993, 3813, 4526, 5986, 6355, 6789, 7626, 8979, 11315, 12710, 13578, 14965, 17958, 19065, 22630, 29930, 33945, 38130, 44895, 67890, 89790, 92783, 185566, 278349, 463915, 556698, 927830, 1391745, 2783490]

約数ペア:

[(1, 2783490), (2, 1391745), (3, 927830), (5, 556698), (6, 463915), (10, 278349), (15, 185566), (30, 92783), (31, 89790), (41, 67890), (62, 44895), (73, 38130), (82, 33945), (93, 29930), (123, 22630), (146, 19065), (155, 17958), (186, 14965), (205, 13578), (219, 12710), (246, 11315), (310, 8979), (365, 7626), (410, 6789), (438, 6355), (465, 5986), (615, 4526), (730, 3813), (930, 2993), (1095, 2542), (1230, 2263), (1271, 2190)]