621627720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1489}}^1$

素因数の和:1588

約数の個数: 192

約数和(自身を含む): 2201385600

約数和(自身を除く): 1579757880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 196, 210, 213, 245, 280, 284, 294, 355, 392, 420, 426, 490, 497, 568, 588, 710, 735, 840, 852, 980, 994, 1065, 1176, 1420, 1470, 1489, 1491, 1704, 1960, 1988, 2130, 2485, 2840, 2940, 2978, 2982, 3479, 3976, 4260, 4467, 4970, 5880, 5956, 5964, 6958, 7445, 7455, 8520, 8934, 9940, 10423, 10437, 11912, 11928, 13916, 14890, 14910, 17395, 17868, 19880, 20846, 20874, 22335, 27832, 29780, 29820, 31269, 34790, 35736, 41692, 41748, 44670, 52115, 52185, 59560, 59640, 62538, 69580, 72961, 83384, 83496, 89340, 104230, 104370, 105719, 125076, 139160, 145922, 156345, 178680, 208460, 208740, 211438, 218883, 250152, 291844, 312690, 317157, 364805, 416920, 417480, 422876, 437766, 528595, 583688, 625380, 634314, 729610, 740033, 845752, 875532, 1057190, 1094415, 1250760, 1268628, 1459220, 1480066, 1585785, 1751064, 2114380, 2188830, 2220099, 2537256, 2918440, 2960132, 3171570, 3700165, 4228760, 4377660, 4440198, 5180231, 5920264, 6343140, 7400330, 8755320, 8880396, 10360462, 11100495, 12686280, 14800660, 15540693, 17760792, 20720924, 22200990, 25901155, 29601320, 31081386, 41441848, 44401980, 51802310, 62162772, 77703465, 88803960, 103604620, 124325544, 155406930, 207209240, 310813860, 621627720]

約数ペア:

[(1, 621627720), (2, 310813860), (3, 207209240), (4, 155406930), (5, 124325544), (6, 103604620), (7, 88803960), (8, 77703465), (10, 62162772), (12, 51802310), (14, 44401980), (15, 41441848), (20, 31081386), (21, 29601320), (24, 25901155), (28, 22200990), (30, 20720924), (35, 17760792), (40, 15540693), (42, 14800660), (49, 12686280), (56, 11100495), (60, 10360462), (70, 8880396), (71, 8755320), (84, 7400330), (98, 6343140), (105, 5920264), (120, 5180231), (140, 4440198), (142, 4377660), (147, 4228760), (168, 3700165), (196, 3171570), (210, 2960132), (213, 2918440), (245, 2537256), (280, 2220099), (284, 2188830), (294, 2114380), (355, 1751064), (392, 1585785), (420, 1480066), (426, 1459220), (490, 1268628), (497, 1250760), (568, 1094415), (588, 1057190), (710, 875532), (735, 845752), (840, 740033), (852, 729610), (980, 634314), (994, 625380), (1065, 583688), (1176, 528595), (1420, 437766), (1470, 422876), (1489, 417480), (1491, 416920), (1704, 364805), (1960, 317157), (1988, 312690), (2130, 291844), (2485, 250152), (2840, 218883), (2940, 211438), (2978, 208740), (2982, 208460), (3479, 178680), (3976, 156345), (4260, 145922), (4467, 139160), (4970, 125076), (5880, 105719), (5956, 104370), (5964, 104230), (6958, 89340), (7445, 83496), (7455, 83384), (8520, 72961), (8934, 69580), (9940, 62538), (10423, 59640), (10437, 59560), (11912, 52185), (11928, 52115), (13916, 44670), (14890, 41748), (14910, 41692), (17395, 35736), (17868, 34790), (19880, 31269), (20846, 29820), (20874, 29780), (22335, 27832)]