245476680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 762030720

約数和(自身を除く): 516554040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 113, 120, 129, 172, 215, 226, 258, 339, 344, 421, 430, 452, 516, 565, 645, 678, 842, 860, 904, 1032, 1130, 1263, 1290, 1356, 1684, 1695, 1720, 2105, 2260, 2526, 2580, 2712, 3368, 3390, 4210, 4520, 4859, 5052, 5160, 6315, 6780, 8420, 9718, 10104, 12630, 13560, 14577, 16840, 18103, 19436, 24295, 25260, 29154, 36206, 38872, 47573, 48590, 50520, 54309, 58308, 72412, 72885, 90515, 95146, 97180, 108618, 116616, 142719, 144824, 145770, 181030, 190292, 194360, 217236, 237865, 271545, 285438, 291540, 362060, 380584, 434472, 475730, 543090, 570876, 583080, 713595, 724120, 951460, 1086180, 1141752, 1427190, 1902920, 2045639, 2172360, 2854380, 4091278, 5708760, 6136917, 8182556, 10228195, 12273834, 16365112, 20456390, 24547668, 30684585, 40912780, 49095336, 61369170, 81825560, 122738340, 245476680]

約数ペア:

[(1, 245476680), (2, 122738340), (3, 81825560), (4, 61369170), (5, 49095336), (6, 40912780), (8, 30684585), (10, 24547668), (12, 20456390), (15, 16365112), (20, 12273834), (24, 10228195), (30, 8182556), (40, 6136917), (43, 5708760), (60, 4091278), (86, 2854380), (113, 2172360), (120, 2045639), (129, 1902920), (172, 1427190), (215, 1141752), (226, 1086180), (258, 951460), (339, 724120), (344, 713595), (421, 583080), (430, 570876), (452, 543090), (516, 475730), (565, 434472), (645, 380584), (678, 362060), (842, 291540), (860, 285438), (904, 271545), (1032, 237865), (1130, 217236), (1263, 194360), (1290, 190292), (1356, 181030), (1684, 145770), (1695, 144824), (1720, 142719), (2105, 116616), (2260, 108618), (2526, 97180), (2580, 95146), (2712, 90515), (3368, 72885), (3390, 72412), (4210, 58308), (4520, 54309), (4859, 50520), (5052, 48590), (5160, 47573), (6315, 38872), (6780, 36206), (8420, 29154), (9718, 25260), (10104, 24295), (12630, 19436), (13560, 18103), (14577, 16840)]