181351620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{2003}}^1$

素因数の和:2521

約数の個数: 72

約数和(自身を含む): 551468736

約数和(自身を除く): 370117116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 503, 1006, 1509, 2003, 2012, 2515, 3018, 4006, 4527, 5030, 6009, 6036, 7545, 8012, 9054, 10015, 10060, 12018, 15090, 18027, 18108, 20030, 22635, 24036, 30045, 30180, 36054, 40060, 45270, 60090, 72108, 90135, 90540, 120180, 180270, 360540, 1007509, 2015018, 3022527, 4030036, 5037545, 6045054, 9067581, 10075090, 12090108, 15112635, 18135162, 20150180, 30225270, 36270324, 45337905, 60450540, 90675810, 181351620]

約数ペア:

[(1, 181351620), (2, 90675810), (3, 60450540), (4, 45337905), (5, 36270324), (6, 30225270), (9, 20150180), (10, 18135162), (12, 15112635), (15, 12090108), (18, 10075090), (20, 9067581), (30, 6045054), (36, 5037545), (45, 4030036), (60, 3022527), (90, 2015018), (180, 1007509), (503, 360540), (1006, 180270), (1509, 120180), (2003, 90540), (2012, 90135), (2515, 72108), (3018, 60090), (4006, 45270), (4527, 40060), (5030, 36054), (6009, 30180), (6036, 30045), (7545, 24036), (8012, 22635), (9054, 20030), (10015, 18108), (10060, 18027), (12018, 15090)]