381301920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{264793}}^1$

素因数の和:264814

約数の個数: 72

約数和(自身を含む): 1301197716

約数和(自身を除く): 919895796

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 264793, 529586, 794379, 1059172, 1323965, 1588758, 2118344, 2383137, 2647930, 3177516, 3971895, 4236688, 4766274, 5295860, 6355032, 7943790, 8473376, 9532548, 10591720, 11915685, 12710064, 15887580, 19065096, 21183440, 23831370, 25420128, 31775160, 38130192, 42366880, 47662740, 63550320, 76260384, 95325480, 127100640, 190650960, 381301920]

約数ペア:

[(1, 381301920), (2, 190650960), (3, 127100640), (4, 95325480), (5, 76260384), (6, 63550320), (8, 47662740), (9, 42366880), (10, 38130192), (12, 31775160), (15, 25420128), (16, 23831370), (18, 21183440), (20, 19065096), (24, 15887580), (30, 12710064), (32, 11915685), (36, 10591720), (40, 9532548), (45, 8473376), (48, 7943790), (60, 6355032), (72, 5295860), (80, 4766274), (90, 4236688), (96, 3971895), (120, 3177516), (144, 2647930), (160, 2383137), (180, 2118344), (240, 1588758), (288, 1323965), (360, 1059172), (480, 794379), (720, 529586), (1440, 264793)]