1640184780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2102801}}^1$

素因数の和:2102826

約数の個数: 48

約数和(自身を含む): 4945790304

約数和(自身を除く): 3305605524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2102801, 4205602, 6308403, 8411204, 10514005, 12616806, 21028010, 25233612, 27336413, 31542015, 42056020, 54672826, 63084030, 82009239, 109345652, 126168060, 136682065, 164018478, 273364130, 328036956, 410046195, 546728260, 820092390, 1640184780]

約数ペア:

[(1, 1640184780), (2, 820092390), (3, 546728260), (4, 410046195), (5, 328036956), (6, 273364130), (10, 164018478), (12, 136682065), (13, 126168060), (15, 109345652), (20, 82009239), (26, 63084030), (30, 54672826), (39, 42056020), (52, 31542015), (60, 27336413), (65, 25233612), (78, 21028010), (130, 12616806), (156, 10514005), (195, 8411204), (260, 6308403), (390, 4205602), (780, 2102801)]