9780030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{643}}^1$

素因数の和:682

約数の個数: 72

約数和(自身を含む): 27577368

約数和(自身を除く): 17797338

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 169, 195, 234, 338, 390, 507, 585, 643, 845, 1014, 1170, 1286, 1521, 1690, 1929, 2535, 3042, 3215, 3858, 5070, 5787, 6430, 7605, 8359, 9645, 11574, 15210, 16718, 19290, 25077, 28935, 41795, 50154, 57870, 75231, 83590, 108667, 125385, 150462, 217334, 250770, 326001, 376155, 543335, 652002, 752310, 978003, 1086670, 1630005, 1956006, 3260010, 4890015, 9780030]

約数ペア:

[(1, 9780030), (2, 4890015), (3, 3260010), (5, 1956006), (6, 1630005), (9, 1086670), (10, 978003), (13, 752310), (15, 652002), (18, 543335), (26, 376155), (30, 326001), (39, 250770), (45, 217334), (65, 150462), (78, 125385), (90, 108667), (117, 83590), (130, 75231), (169, 57870), (195, 50154), (234, 41795), (338, 28935), (390, 25077), (507, 19290), (585, 16718), (643, 15210), (845, 11574), (1014, 9645), (1170, 8359), (1286, 7605), (1521, 6430), (1690, 5787), (1929, 5070), (2535, 3858), (3042, 3215)]