4890420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{269}}^1$

素因数の和:385

約数の個数: 72

約数和(自身を含む): 15036840

約数和(自身を除く): 10146420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 101, 180, 202, 269, 303, 404, 505, 538, 606, 807, 909, 1010, 1076, 1212, 1345, 1515, 1614, 1818, 2020, 2421, 2690, 3030, 3228, 3636, 4035, 4545, 4842, 5380, 6060, 8070, 9090, 9684, 12105, 16140, 18180, 24210, 27169, 48420, 54338, 81507, 108676, 135845, 163014, 244521, 271690, 326028, 407535, 489042, 543380, 815070, 978084, 1222605, 1630140, 2445210, 4890420]

約数ペア:

[(1, 4890420), (2, 2445210), (3, 1630140), (4, 1222605), (5, 978084), (6, 815070), (9, 543380), (10, 489042), (12, 407535), (15, 326028), (18, 271690), (20, 244521), (30, 163014), (36, 135845), (45, 108676), (60, 81507), (90, 54338), (101, 48420), (180, 27169), (202, 24210), (269, 18180), (303, 16140), (404, 12105), (505, 9684), (538, 9090), (606, 8070), (807, 6060), (909, 5380), (1010, 4842), (1076, 4545), (1212, 4035), (1345, 3636), (1515, 3228), (1614, 3030), (1818, 2690), (2020, 2421)]