15027780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^2$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 43569792

約数和(自身を除く): 28542012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 73, 94, 141, 146, 188, 219, 235, 282, 292, 365, 438, 470, 564, 705, 730, 876, 940, 1095, 1410, 1460, 2190, 2820, 3431, 4380, 5329, 6862, 10293, 10658, 13724, 15987, 17155, 20586, 21316, 26645, 31974, 34310, 41172, 51465, 53290, 63948, 68620, 79935, 102930, 106580, 159870, 205860, 250463, 319740, 500926, 751389, 1001852, 1252315, 1502778, 2504630, 3005556, 3756945, 5009260, 7513890, 15027780]

約数ペア:

[(1, 15027780), (2, 7513890), (3, 5009260), (4, 3756945), (5, 3005556), (6, 2504630), (10, 1502778), (12, 1252315), (15, 1001852), (20, 751389), (30, 500926), (47, 319740), (60, 250463), (73, 205860), (94, 159870), (141, 106580), (146, 102930), (188, 79935), (219, 68620), (235, 63948), (282, 53290), (292, 51465), (365, 41172), (438, 34310), (470, 31974), (564, 26645), (705, 21316), (730, 20586), (876, 17155), (940, 15987), (1095, 13724), (1410, 10658), (1460, 10293), (2190, 6862), (2820, 5329), (3431, 4380)]