66946140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4481}}^1$

素因数の和:4579

約数の個数: 72

約数和(自身を含む): 205562448

約数和(自身を除く): 138616308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4481, 4980, 7470, 8962, 13443, 14940, 17924, 22405, 26886, 40329, 44810, 53772, 67215, 80658, 89620, 134430, 161316, 201645, 268860, 371923, 403290, 743846, 806580, 1115769, 1487692, 1859615, 2231538, 3347307, 3719230, 4463076, 5578845, 6694614, 7438460, 11157690, 13389228, 16736535, 22315380, 33473070, 66946140]

約数ペア:

[(1, 66946140), (2, 33473070), (3, 22315380), (4, 16736535), (5, 13389228), (6, 11157690), (9, 7438460), (10, 6694614), (12, 5578845), (15, 4463076), (18, 3719230), (20, 3347307), (30, 2231538), (36, 1859615), (45, 1487692), (60, 1115769), (83, 806580), (90, 743846), (166, 403290), (180, 371923), (249, 268860), (332, 201645), (415, 161316), (498, 134430), (747, 89620), (830, 80658), (996, 67215), (1245, 53772), (1494, 44810), (1660, 40329), (2490, 26886), (2988, 22405), (3735, 17924), (4481, 14940), (4980, 13443), (7470, 8962)]