66558660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22639}}^1$

素因数の和:22665

約数の個数: 72

約数和(自身を含む): 216800640

約数和(自身を除く): 150241980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22639, 45278, 67917, 90556, 113195, 135834, 158473, 226390, 271668, 316946, 339585, 452780, 475419, 633892, 679170, 792365, 950838, 1109311, 1358340, 1584730, 1901676, 2218622, 2377095, 3169460, 3327933, 4437244, 4754190, 5546555, 6655866, 9508380, 11093110, 13311732, 16639665, 22186220, 33279330, 66558660]

約数ペア:

[(1, 66558660), (2, 33279330), (3, 22186220), (4, 16639665), (5, 13311732), (6, 11093110), (7, 9508380), (10, 6655866), (12, 5546555), (14, 4754190), (15, 4437244), (20, 3327933), (21, 3169460), (28, 2377095), (30, 2218622), (35, 1901676), (42, 1584730), (49, 1358340), (60, 1109311), (70, 950838), (84, 792365), (98, 679170), (105, 633892), (140, 475419), (147, 452780), (196, 339585), (210, 316946), (245, 271668), (294, 226390), (420, 158473), (490, 135834), (588, 113195), (735, 90556), (980, 67917), (1470, 45278), (2940, 22639)]