438780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 1257984

約数和(自身を除く): 819204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 103, 142, 206, 213, 284, 309, 355, 412, 426, 515, 618, 710, 852, 1030, 1065, 1236, 1420, 1545, 2060, 2130, 3090, 4260, 6180, 7313, 14626, 21939, 29252, 36565, 43878, 73130, 87756, 109695, 146260, 219390, 438780]

約数ペア:

[(1, 438780), (2, 219390), (3, 146260), (4, 109695), (5, 87756), (6, 73130), (10, 43878), (12, 36565), (15, 29252), (20, 21939), (30, 14626), (60, 7313), (71, 6180), (103, 4260), (142, 3090), (206, 2130), (213, 2060), (284, 1545), (309, 1420), (355, 1236), (412, 1065), (426, 1030), (515, 852), (618, 710)]