2142780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 6096384

約数和(自身を除く): 3953604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 503, 710, 852, 1006, 1065, 1420, 1509, 2012, 2130, 2515, 3018, 4260, 5030, 6036, 7545, 10060, 15090, 30180, 35713, 71426, 107139, 142852, 178565, 214278, 357130, 428556, 535695, 714260, 1071390, 2142780]

約数ペア:

[(1, 2142780), (2, 1071390), (3, 714260), (4, 535695), (5, 428556), (6, 357130), (10, 214278), (12, 178565), (15, 142852), (20, 107139), (30, 71426), (60, 35713), (71, 30180), (142, 15090), (213, 10060), (284, 7545), (355, 6036), (426, 5030), (503, 4260), (710, 3018), (852, 2515), (1006, 2130), (1065, 2012), (1420, 1509)]