138571920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{192461}}^1$

素因数の和:192480

約数の個数: 60

約数和(自身を含む): 465373116

約数和(自身を除く): 326801196

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 192461, 384922, 577383, 769844, 962305, 1154766, 1539688, 1732149, 1924610, 2309532, 2886915, 3079376, 3464298, 3849220, 4619064, 5773830, 6928596, 7698440, 8660745, 9238128, 11547660, 13857192, 15396880, 17321490, 23095320, 27714384, 34642980, 46190640, 69285960, 138571920]

約数ペア:

[(1, 138571920), (2, 69285960), (3, 46190640), (4, 34642980), (5, 27714384), (6, 23095320), (8, 17321490), (9, 15396880), (10, 13857192), (12, 11547660), (15, 9238128), (16, 8660745), (18, 7698440), (20, 6928596), (24, 5773830), (30, 4619064), (36, 3849220), (40, 3464298), (45, 3079376), (48, 2886915), (60, 2309532), (72, 1924610), (80, 1732149), (90, 1539688), (120, 1154766), (144, 962305), (180, 769844), (240, 577383), (360, 384922), (720, 192461)]