919980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1$

素因数の和:303

約数の個数: 72

約数和(自身を含む): 2948400

約数和(自身を除く): 2028420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 269, 285, 342, 380, 538, 570, 684, 807, 855, 1076, 1140, 1345, 1614, 1710, 2421, 2690, 3228, 3420, 4035, 4842, 5111, 5380, 8070, 9684, 10222, 12105, 15333, 16140, 20444, 24210, 25555, 30666, 45999, 48420, 51110, 61332, 76665, 91998, 102220, 153330, 183996, 229995, 306660, 459990, 919980]

約数ペア:

[(1, 919980), (2, 459990), (3, 306660), (4, 229995), (5, 183996), (6, 153330), (9, 102220), (10, 91998), (12, 76665), (15, 61332), (18, 51110), (19, 48420), (20, 45999), (30, 30666), (36, 25555), (38, 24210), (45, 20444), (57, 16140), (60, 15333), (76, 12105), (90, 10222), (95, 9684), (114, 8070), (171, 5380), (180, 5111), (190, 4842), (228, 4035), (269, 3420), (285, 3228), (342, 2690), (380, 2421), (538, 1710), (570, 1614), (684, 1345), (807, 1140), (855, 1076)]