123165420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{41893}}^1$

素因数の和:41919

約数の個数: 72

約数和(自身を含む): 401176944

約数和(自身を除く): 278011524

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, 41893, 83786, 125679, 167572, 209465, 251358, 293251, 418930, 502716, 586502, 628395, 837860, 879753, 1173004, 1256790, 1466255, 1759506, 2052757, 2513580, 2932510, 3519012, 4105514, 4398765, 5865020, 6158271, 8211028, 8797530, 10263785, 12316542, 17595060, 20527570, 24633084, 30791355, 41055140, 61582710, 123165420]

約数ペア:

[(1, 123165420), (2, 61582710), (3, 41055140), (4, 30791355), (5, 24633084), (6, 20527570), (7, 17595060), (10, 12316542), (12, 10263785), (14, 8797530), (15, 8211028), (20, 6158271), (21, 5865020), (28, 4398765), (30, 4105514), (35, 3519012), (42, 2932510), (49, 2513580), (60, 2052757), (70, 1759506), (84, 1466255), (98, 1256790), (105, 1173004), (140, 879753), (147, 837860), (196, 628395), (210, 586502), (245, 502716), (294, 418930), (420, 293251), (490, 251358), (588, 209465), (735, 167572), (980, 125679), (1470, 83786), (2940, 41893)]