18447120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25621}}^1$

素因数の和:25640

約数の個数: 60

約数和(自身を含む): 61953996

約数和(自身を除く): 43506876

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, 25621, 51242, 76863, 102484, 128105, 153726, 204968, 230589, 256210, 307452, 384315, 409936, 461178, 512420, 614904, 768630, 922356, 1024840, 1152945, 1229808, 1537260, 1844712, 2049680, 2305890, 3074520, 3689424, 4611780, 6149040, 9223560, 18447120]

約数ペア:

[(1, 18447120), (2, 9223560), (3, 6149040), (4, 4611780), (5, 3689424), (6, 3074520), (8, 2305890), (9, 2049680), (10, 1844712), (12, 1537260), (15, 1229808), (16, 1152945), (18, 1024840), (20, 922356), (24, 768630), (30, 614904), (36, 512420), (40, 461178), (45, 409936), (48, 384315), (60, 307452), (72, 256210), (80, 230589), (90, 204968), (120, 153726), (144, 128105), (180, 102484), (240, 76863), (360, 51242), (720, 25621)]