28627380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1013}}^1$

素因数の和:1185

約数の個数: 72

約数和(自身を含む): 87475752

約数和(自身を除く): 58848372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1013, 1413, 1570, 1884, 2026, 2355, 2826, 3039, 3140, 4052, 4710, 5065, 5652, 6078, 7065, 9117, 9420, 10130, 12156, 14130, 15195, 18234, 20260, 28260, 30390, 36468, 45585, 60780, 91170, 159041, 182340, 318082, 477123, 636164, 795205, 954246, 1431369, 1590410, 1908492, 2385615, 2862738, 3180820, 4771230, 5725476, 7156845, 9542460, 14313690, 28627380]

約数ペア:

[(1, 28627380), (2, 14313690), (3, 9542460), (4, 7156845), (5, 5725476), (6, 4771230), (9, 3180820), (10, 2862738), (12, 2385615), (15, 1908492), (18, 1590410), (20, 1431369), (30, 954246), (36, 795205), (45, 636164), (60, 477123), (90, 318082), (157, 182340), (180, 159041), (314, 91170), (471, 60780), (628, 45585), (785, 36468), (942, 30390), (1013, 28260), (1413, 20260), (1570, 18234), (1884, 15195), (2026, 14130), (2355, 12156), (2826, 10130), (3039, 9420), (3140, 9117), (4052, 7065), (4710, 6078), (5065, 5652)]