31606380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1039}}^1$

素因数の和:1080

約数の個数: 108

約数和(自身を含む): 103914720

約数和(自身を除く): 72308340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 845, 1014, 1039, 1170, 1521, 1690, 2028, 2078, 2340, 2535, 3042, 3117, 3380, 4156, 5070, 5195, 6084, 6234, 7605, 9351, 10140, 10390, 12468, 13507, 15210, 15585, 18702, 20780, 27014, 30420, 31170, 37404, 40521, 46755, 54028, 62340, 67535, 81042, 93510, 121563, 135070, 162084, 175591, 187020, 202605, 243126, 270140, 351182, 405210, 486252, 526773, 607815, 702364, 810420, 877955, 1053546, 1215630, 1580319, 1755910, 2107092, 2431260, 2633865, 3160638, 3511820, 5267730, 6321276, 7901595, 10535460, 15803190, 31606380]

約数ペア:

[(1, 31606380), (2, 15803190), (3, 10535460), (4, 7901595), (5, 6321276), (6, 5267730), (9, 3511820), (10, 3160638), (12, 2633865), (13, 2431260), (15, 2107092), (18, 1755910), (20, 1580319), (26, 1215630), (30, 1053546), (36, 877955), (39, 810420), (45, 702364), (52, 607815), (60, 526773), (65, 486252), (78, 405210), (90, 351182), (117, 270140), (130, 243126), (156, 202605), (169, 187020), (180, 175591), (195, 162084), (234, 135070), (260, 121563), (338, 93510), (390, 81042), (468, 67535), (507, 62340), (585, 54028), (676, 46755), (780, 40521), (845, 37404), (1014, 31170), (1039, 30420), (1170, 27014), (1521, 20780), (1690, 18702), (2028, 15585), (2078, 15210), (2340, 13507), (2535, 12468), (3042, 10390), (3117, 10140), (3380, 9351), (4156, 7605), (5070, 6234), (5195, 6084)]