987755280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{863}}^1$

素因数の和:1149

約数の個数: 160

約数和(自身を含む): 3239792640

約数和(自身を除く): 2252037360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 251, 285, 304, 380, 456, 502, 570, 753, 760, 863, 912, 1004, 1140, 1255, 1506, 1520, 1726, 2008, 2280, 2510, 2589, 3012, 3452, 3765, 4016, 4315, 4560, 4769, 5020, 5178, 6024, 6904, 7530, 8630, 9538, 10040, 10356, 12048, 12945, 13808, 14307, 15060, 16397, 17260, 19076, 20080, 20712, 23845, 25890, 28614, 30120, 32794, 34520, 38152, 41424, 47690, 49191, 51780, 57228, 60240, 65588, 69040, 71535, 76304, 81985, 95380, 98382, 103560, 114456, 131176, 143070, 163970, 190760, 196764, 207120, 216613, 228912, 245955, 262352, 286140, 327940, 381520, 393528, 433226, 491910, 572280, 649839, 655880, 787056, 866452, 983820, 1083065, 1144560, 1299678, 1311760, 1732904, 1967640, 2166130, 2599356, 3249195, 3465808, 3935280, 4115647, 4332260, 5198712, 6498390, 8231294, 8664520, 10397424, 12346941, 12996780, 16462588, 17329040, 20578235, 24693882, 25993560, 32925176, 41156470, 49387764, 51987120, 61734705, 65850352, 82312940, 98775528, 123469410, 164625880, 197551056, 246938820, 329251760, 493877640, 987755280]

約数ペア:

[(1, 987755280), (2, 493877640), (3, 329251760), (4, 246938820), (5, 197551056), (6, 164625880), (8, 123469410), (10, 98775528), (12, 82312940), (15, 65850352), (16, 61734705), (19, 51987120), (20, 49387764), (24, 41156470), (30, 32925176), (38, 25993560), (40, 24693882), (48, 20578235), (57, 17329040), (60, 16462588), (76, 12996780), (80, 12346941), (95, 10397424), (114, 8664520), (120, 8231294), (152, 6498390), (190, 5198712), (228, 4332260), (240, 4115647), (251, 3935280), (285, 3465808), (304, 3249195), (380, 2599356), (456, 2166130), (502, 1967640), (570, 1732904), (753, 1311760), (760, 1299678), (863, 1144560), (912, 1083065), (1004, 983820), (1140, 866452), (1255, 787056), (1506, 655880), (1520, 649839), (1726, 572280), (2008, 491910), (2280, 433226), (2510, 393528), (2589, 381520), (3012, 327940), (3452, 286140), (3765, 262352), (4016, 245955), (4315, 228912), (4560, 216613), (4769, 207120), (5020, 196764), (5178, 190760), (6024, 163970), (6904, 143070), (7530, 131176), (8630, 114456), (9538, 103560), (10040, 98382), (10356, 95380), (12048, 81985), (12945, 76304), (13808, 71535), (14307, 69040), (15060, 65588), (16397, 60240), (17260, 57228), (19076, 51780), (20080, 49191), (20712, 47690), (23845, 41424), (25890, 38152), (28614, 34520), (30120, 32794)]