531509220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{268439}}^1$

素因数の和:268465

約数の個数: 72

約数和(自身を含む): 1758818880

約数和(自身を除く): 1227309660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 268439, 536878, 805317, 1073756, 1342195, 1610634, 2415951, 2684390, 2952829, 3221268, 4026585, 4831902, 5368780, 5905658, 8053170, 8858487, 9663804, 11811316, 12079755, 14764145, 16106340, 17716974, 24159510, 26575461, 29528290, 35433948, 44292435, 48319020, 53150922, 59056580, 88584870, 106301844, 132877305, 177169740, 265754610, 531509220]

約数ペア:

[(1, 531509220), (2, 265754610), (3, 177169740), (4, 132877305), (5, 106301844), (6, 88584870), (9, 59056580), (10, 53150922), (11, 48319020), (12, 44292435), (15, 35433948), (18, 29528290), (20, 26575461), (22, 24159510), (30, 17716974), (33, 16106340), (36, 14764145), (44, 12079755), (45, 11811316), (55, 9663804), (60, 8858487), (66, 8053170), (90, 5905658), (99, 5368780), (110, 4831902), (132, 4026585), (165, 3221268), (180, 2952829), (198, 2684390), (220, 2415951), (330, 1610634), (396, 1342195), (495, 1073756), (660, 805317), (990, 536878), (1980, 268439)]