1640178903555

素因数分解:

$3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1801}}^1\times {\mathrm{80629}}^1$

素因数の和:82692

約数の個数: 48

約数和(自身を含む): 2855923630560

約数和(自身を除く): 1215744727005

約数列:

[1, 3, 5, 9, 15, 45, 251, 753, 1255, 1801, 2259, 3765, 5403, 9005, 11295, 16209, 27015, 80629, 81045, 241887, 403145, 452051, 725661, 1209435, 1356153, 2260255, 3628305, 4068459, 6780765, 20237879, 20342295, 60713637, 101189395, 145212829, 182140911, 303568185, 435638487, 726064145, 910704555, 1306915461, 2178192435, 6534577305, 36448420079, 109345260237, 182242100395, 328035780711, 546726301185, 1640178903555]

約数ペア:

[(1, 1640178903555), (3, 546726301185), (5, 328035780711), (9, 182242100395), (15, 109345260237), (45, 36448420079), (251, 6534577305), (753, 2178192435), (1255, 1306915461), (1801, 910704555), (2259, 726064145), (3765, 435638487), (5403, 303568185), (9005, 182140911), (11295, 145212829), (16209, 101189395), (27015, 60713637), (80629, 20342295), (81045, 20237879), (241887, 6780765), (403145, 4068459), (452051, 3628305), (725661, 2260255), (1209435, 1356153)]