389964780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{240719}}^1$

素因数の和:240740

約数の個数: 60

約数和(自身を含む): 1223339040

約数和(自身を除く): 833374260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 240719, 481438, 722157, 962876, 1203595, 1444314, 2166471, 2407190, 2888628, 3610785, 4332942, 4814380, 6499413, 7221570, 8665884, 10832355, 12998826, 14443140, 19498239, 21664710, 25997652, 32497065, 38996478, 43329420, 64994130, 77992956, 97491195, 129988260, 194982390, 389964780]

約数ペア:

[(1, 389964780), (2, 194982390), (3, 129988260), (4, 97491195), (5, 77992956), (6, 64994130), (9, 43329420), (10, 38996478), (12, 32497065), (15, 25997652), (18, 21664710), (20, 19498239), (27, 14443140), (30, 12998826), (36, 10832355), (45, 8665884), (54, 7221570), (60, 6499413), (81, 4814380), (90, 4332942), (108, 3610785), (135, 2888628), (162, 2407190), (180, 2166471), (270, 1444314), (324, 1203595), (405, 962876), (540, 722157), (810, 481438), (1620, 240719)]