47984220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{991}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 146240640

約数和(自身を除く): 98256420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 991, 1076, 1345, 1614, 1982, 2421, 2690, 2973, 3228, 3964, 4035, 4842, 4955, 5380, 5946, 8070, 8919, 9684, 9910, 11892, 12105, 14865, 16140, 17838, 19820, 24210, 29730, 35676, 44595, 48420, 59460, 89190, 178380, 266579, 533158, 799737, 1066316, 1332895, 1599474, 2399211, 2665790, 3198948, 3998685, 4798422, 5331580, 7997370, 9596844, 11996055, 15994740, 23992110, 47984220]

約数ペア:

[(1, 47984220), (2, 23992110), (3, 15994740), (4, 11996055), (5, 9596844), (6, 7997370), (9, 5331580), (10, 4798422), (12, 3998685), (15, 3198948), (18, 2665790), (20, 2399211), (30, 1599474), (36, 1332895), (45, 1066316), (60, 799737), (90, 533158), (180, 266579), (269, 178380), (538, 89190), (807, 59460), (991, 48420), (1076, 44595), (1345, 35676), (1614, 29730), (1982, 24210), (2421, 19820), (2690, 17838), (2973, 16140), (3228, 14865), (3964, 12105), (4035, 11892), (4842, 9910), (4955, 9684), (5380, 8919), (5946, 8070)]