78136380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{2953}}^1$

素因数の和:2985

約数の個数: 144

約数和(自身を含む): 282875040

約数和(自身を除く): 204738660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 2953, 3780, 4410, 5292, 5906, 6615, 8820, 8859, 11812, 13230, 14765, 17718, 20671, 26460, 26577, 29530, 35436, 41342, 44295, 53154, 59060, 62013, 79731, 82684, 88590, 103355, 106308, 124026, 132885, 144697, 159462, 177180, 186039, 206710, 248052, 265770, 289394, 310065, 318924, 372078, 398655, 413420, 434091, 531540, 558117, 578788, 620130, 723485, 744156, 797310, 868182, 930195, 1116234, 1240260, 1302273, 1446970, 1594620, 1736364, 1860390, 2170455, 2232468, 2604546, 2790585, 2893940, 3720780, 3906819, 4340910, 5209092, 5581170, 6511365, 7813638, 8681820, 11162340, 13022730, 15627276, 19534095, 26045460, 39068190, 78136380]

約数ペア:

[(1, 78136380), (2, 39068190), (3, 26045460), (4, 19534095), (5, 15627276), (6, 13022730), (7, 11162340), (9, 8681820), (10, 7813638), (12, 6511365), (14, 5581170), (15, 5209092), (18, 4340910), (20, 3906819), (21, 3720780), (27, 2893940), (28, 2790585), (30, 2604546), (35, 2232468), (36, 2170455), (42, 1860390), (45, 1736364), (49, 1594620), (54, 1446970), (60, 1302273), (63, 1240260), (70, 1116234), (84, 930195), (90, 868182), (98, 797310), (105, 744156), (108, 723485), (126, 620130), (135, 578788), (140, 558117), (147, 531540), (180, 434091), (189, 413420), (196, 398655), (210, 372078), (245, 318924), (252, 310065), (270, 289394), (294, 265770), (315, 248052), (378, 206710), (420, 186039), (441, 177180), (490, 159462), (540, 144697), (588, 132885), (630, 124026), (735, 106308), (756, 103355), (882, 88590), (945, 82684), (980, 79731), (1260, 62013), (1323, 59060), (1470, 53154), (1764, 44295), (1890, 41342), (2205, 35436), (2646, 29530), (2940, 26577), (2953, 26460), (3780, 20671), (4410, 17718), (5292, 14765), (5906, 13230), (6615, 11812), (8820, 8859)]