2809660140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{2229889}}^1$

素因数の和:2229911

約数の個数: 72

約数和(自身を含む): 9740159520

約数和(自身を除く): 6930499380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 2229889, 4459778, 6689667, 8919556, 11149445, 13379334, 15609223, 20069001, 22298890, 26758668, 31218446, 33448335, 40138002, 44597780, 46827669, 62436892, 66896670, 78046115, 80276004, 93655338, 100345005, 133793340, 140483007, 156092230, 187310676, 200690010, 234138345, 280966014, 312184460, 401380020, 468276690, 561932028, 702415035, 936553380, 1404830070, 2809660140]

約数ペア:

[(1, 2809660140), (2, 1404830070), (3, 936553380), (4, 702415035), (5, 561932028), (6, 468276690), (7, 401380020), (9, 312184460), (10, 280966014), (12, 234138345), (14, 200690010), (15, 187310676), (18, 156092230), (20, 140483007), (21, 133793340), (28, 100345005), (30, 93655338), (35, 80276004), (36, 78046115), (42, 66896670), (45, 62436892), (60, 46827669), (63, 44597780), (70, 40138002), (84, 33448335), (90, 31218446), (105, 26758668), (126, 22298890), (140, 20069001), (180, 15609223), (210, 13379334), (252, 11149445), (315, 8919556), (420, 6689667), (630, 4459778), (1260, 2229889)]