820739880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{293}}^1$

素因数の和:592

約数の個数: 192

約数和(自身を含む): 2773854720

約数和(自身を除く): 1953114840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 251, 279, 293, 310, 360, 372, 465, 502, 558, 586, 620, 744, 753, 879, 930, 1004, 1116, 1172, 1240, 1255, 1395, 1465, 1506, 1758, 1860, 2008, 2232, 2259, 2344, 2510, 2637, 2790, 2930, 3012, 3516, 3720, 3765, 4395, 4518, 5020, 5274, 5580, 5860, 6024, 7032, 7530, 7781, 8790, 9036, 9083, 10040, 10548, 11160, 11295, 11720, 13185, 15060, 15562, 17580, 18072, 18166, 21096, 22590, 23343, 26370, 27249, 30120, 31124, 35160, 36332, 38905, 45180, 45415, 46686, 52740, 54498, 62248, 70029, 72664, 73543, 77810, 81747, 90360, 90830, 93372, 105480, 108996, 116715, 136245, 140058, 147086, 155620, 163494, 181660, 186744, 217992, 220629, 233430, 272490, 280116, 294172, 311240, 326988, 350145, 363320, 367715, 408735, 441258, 466860, 544980, 560232, 588344, 653976, 661887, 700290, 735430, 817470, 882516, 933720, 1089960, 1103145, 1323774, 1400580, 1470860, 1634940, 1765032, 2206290, 2279833, 2647548, 2801160, 2941720, 3269880, 3309435, 4412580, 4559666, 5295096, 6618870, 6839499, 8825160, 9119332, 11399165, 13237740, 13678998, 18238664, 20518497, 22798330, 26475480, 27357996, 34197495, 41036994, 45596660, 54715992, 68394990, 82073988, 91193320, 102592485, 136789980, 164147976, 205184970, 273579960, 410369940, 820739880]

約数ペア:

[(1, 820739880), (2, 410369940), (3, 273579960), (4, 205184970), (5, 164147976), (6, 136789980), (8, 102592485), (9, 91193320), (10, 82073988), (12, 68394990), (15, 54715992), (18, 45596660), (20, 41036994), (24, 34197495), (30, 27357996), (31, 26475480), (36, 22798330), (40, 20518497), (45, 18238664), (60, 13678998), (62, 13237740), (72, 11399165), (90, 9119332), (93, 8825160), (120, 6839499), (124, 6618870), (155, 5295096), (180, 4559666), (186, 4412580), (248, 3309435), (251, 3269880), (279, 2941720), (293, 2801160), (310, 2647548), (360, 2279833), (372, 2206290), (465, 1765032), (502, 1634940), (558, 1470860), (586, 1400580), (620, 1323774), (744, 1103145), (753, 1089960), (879, 933720), (930, 882516), (1004, 817470), (1116, 735430), (1172, 700290), (1240, 661887), (1255, 653976), (1395, 588344), (1465, 560232), (1506, 544980), (1758, 466860), (1860, 441258), (2008, 408735), (2232, 367715), (2259, 363320), (2344, 350145), (2510, 326988), (2637, 311240), (2790, 294172), (2930, 280116), (3012, 272490), (3516, 233430), (3720, 220629), (3765, 217992), (4395, 186744), (4518, 181660), (5020, 163494), (5274, 155620), (5580, 147086), (5860, 140058), (6024, 136245), (7032, 116715), (7530, 108996), (7781, 105480), (8790, 93372), (9036, 90830), (9083, 90360), (10040, 81747), (10548, 77810), (11160, 73543), (11295, 72664), (11720, 70029), (13185, 62248), (15060, 54498), (15562, 52740), (17580, 46686), (18072, 45415), (18166, 45180), (21096, 38905), (22590, 36332), (23343, 35160), (26370, 31124), (27249, 30120)]