663123720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{3967}}^1$

素因数の和:4187

約数の個数: 128

約数和(自身を含む): 2285568000

約数和(自身を除く): 1622444280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 199, 210, 280, 398, 420, 597, 796, 840, 995, 1194, 1393, 1592, 1990, 2388, 2786, 2985, 3967, 3980, 4179, 4776, 5572, 5970, 6965, 7934, 7960, 8358, 11144, 11901, 11940, 13930, 15868, 16716, 19835, 20895, 23802, 23880, 27769, 27860, 31736, 33432, 39670, 41790, 47604, 55538, 55720, 59505, 79340, 83307, 83580, 95208, 111076, 119010, 138845, 158680, 166614, 167160, 222152, 238020, 277690, 333228, 416535, 476040, 555380, 666456, 789433, 833070, 1110760, 1578866, 1666140, 2368299, 3157732, 3332280, 3947165, 4736598, 5526031, 6315464, 7894330, 9473196, 11052062, 11841495, 15788660, 16578093, 18946392, 22104124, 23682990, 27630155, 31577320, 33156186, 44208248, 47365980, 55260310, 66312372, 82890465, 94731960, 110520620, 132624744, 165780930, 221041240, 331561860, 663123720]

約数ペア:

[(1, 663123720), (2, 331561860), (3, 221041240), (4, 165780930), (5, 132624744), (6, 110520620), (7, 94731960), (8, 82890465), (10, 66312372), (12, 55260310), (14, 47365980), (15, 44208248), (20, 33156186), (21, 31577320), (24, 27630155), (28, 23682990), (30, 22104124), (35, 18946392), (40, 16578093), (42, 15788660), (56, 11841495), (60, 11052062), (70, 9473196), (84, 7894330), (105, 6315464), (120, 5526031), (140, 4736598), (168, 3947165), (199, 3332280), (210, 3157732), (280, 2368299), (398, 1666140), (420, 1578866), (597, 1110760), (796, 833070), (840, 789433), (995, 666456), (1194, 555380), (1393, 476040), (1592, 416535), (1990, 333228), (2388, 277690), (2786, 238020), (2985, 222152), (3967, 167160), (3980, 166614), (4179, 158680), (4776, 138845), (5572, 119010), (5970, 111076), (6965, 95208), (7934, 83580), (7960, 83307), (8358, 79340), (11144, 59505), (11901, 55720), (11940, 55538), (13930, 47604), (15868, 41790), (16716, 39670), (19835, 33432), (20895, 31736), (23802, 27860), (23880, 27769)]