15740820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 48137544

約数和(自身を除く): 32396724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 557, 628, 785, 942, 1114, 1413, 1570, 1671, 1884, 2228, 2355, 2785, 2826, 3140, 3342, 4710, 5013, 5570, 5652, 6684, 7065, 8355, 9420, 10026, 11140, 14130, 16710, 20052, 25065, 28260, 33420, 50130, 87449, 100260, 174898, 262347, 349796, 437245, 524694, 787041, 874490, 1049388, 1311735, 1574082, 1748980, 2623470, 3148164, 3935205, 5246940, 7870410, 15740820]

約数ペア:

[(1, 15740820), (2, 7870410), (3, 5246940), (4, 3935205), (5, 3148164), (6, 2623470), (9, 1748980), (10, 1574082), (12, 1311735), (15, 1049388), (18, 874490), (20, 787041), (30, 524694), (36, 437245), (45, 349796), (60, 262347), (90, 174898), (157, 100260), (180, 87449), (314, 50130), (471, 33420), (557, 28260), (628, 25065), (785, 20052), (942, 16710), (1114, 14130), (1413, 11140), (1570, 10026), (1671, 9420), (1884, 8355), (2228, 7065), (2355, 6684), (2785, 5652), (2826, 5570), (3140, 5013), (3342, 4710)]