1806331380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4300789}}^1$

素因数の和:4300808

約数の個数: 48

約数和(自身を含む): 5780261760

約数和(自身を除く): 3973930380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4300789, 8601578, 12902367, 17203156, 21503945, 25804734, 30105523, 43007890, 51609468, 60211046, 64511835, 86015780, 90316569, 120422092, 129023670, 150527615, 180633138, 258047340, 301055230, 361266276, 451582845, 602110460, 903165690, 1806331380]

約数ペア:

[(1, 1806331380), (2, 903165690), (3, 602110460), (4, 451582845), (5, 361266276), (6, 301055230), (7, 258047340), (10, 180633138), (12, 150527615), (14, 129023670), (15, 120422092), (20, 90316569), (21, 86015780), (28, 64511835), (30, 60211046), (35, 51609468), (42, 43007890), (60, 30105523), (70, 25804734), (84, 21503945), (105, 17203156), (140, 12902367), (210, 8601578), (420, 4300789)]