81371844540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1132997}}^1$

素因数の和:1133041

約数の個数: 192

約数和(自身を含む): 304549862400

約数和(自身を除く): 223178017860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 27, 28, 30, 35, 36, 38, 42, 45, 54, 57, 60, 63, 70, 76, 84, 90, 95, 105, 108, 114, 126, 133, 135, 140, 171, 180, 189, 190, 210, 228, 252, 266, 270, 285, 315, 342, 378, 380, 399, 420, 513, 532, 540, 570, 630, 665, 684, 756, 798, 855, 945, 1026, 1140, 1197, 1260, 1330, 1596, 1710, 1890, 1995, 2052, 2394, 2565, 2660, 3420, 3591, 3780, 3990, 4788, 5130, 5985, 7182, 7980, 10260, 11970, 14364, 17955, 23940, 35910, 71820, 1132997, 2265994, 3398991, 4531988, 5664985, 6797982, 7930979, 10196973, 11329970, 13595964, 15861958, 16994955, 20393946, 21526943, 22659940, 23792937, 30590919, 31723916, 33989910, 39654895, 40787892, 43053886, 47585874, 50984865, 61181838, 64580829, 67979820, 71378811, 79309790, 86107772, 95171748, 101969730, 107634715, 118964685, 122363676, 129161658, 142757622, 150688601, 152954595, 158619580, 193742487, 203939460, 214136433, 215269430, 237929370, 258323316, 285515244, 301377202, 305909190, 322904145, 356894055, 387484974, 428272866, 430538860, 452065803, 475858740, 581227461, 602754404, 611818380, 645808290, 713788110, 753443005, 774969948, 856545732, 904131606, 968712435, 1070682165, 1162454922, 1291616580, 1356197409, 1427576220, 1506886010, 1808263212, 1937424870, 2141364330, 2260329015, 2324909844, 2712394818, 2906137305, 3013772020, 3874849740, 4068592227, 4282728660, 4520658030, 5424789636, 5812274610, 6780987045, 8137184454, 9041316060, 11624549220, 13561974090, 16274368908, 20342961135, 27123948180, 40685922270, 81371844540]

約数ペア:

[(1, 81371844540), (2, 40685922270), (3, 27123948180), (4, 20342961135), (5, 16274368908), (6, 13561974090), (7, 11624549220), (9, 9041316060), (10, 8137184454), (12, 6780987045), (14, 5812274610), (15, 5424789636), (18, 4520658030), (19, 4282728660), (20, 4068592227), (21, 3874849740), (27, 3013772020), (28, 2906137305), (30, 2712394818), (35, 2324909844), (36, 2260329015), (38, 2141364330), (42, 1937424870), (45, 1808263212), (54, 1506886010), (57, 1427576220), (60, 1356197409), (63, 1291616580), (70, 1162454922), (76, 1070682165), (84, 968712435), (90, 904131606), (95, 856545732), (105, 774969948), (108, 753443005), (114, 713788110), (126, 645808290), (133, 611818380), (135, 602754404), (140, 581227461), (171, 475858740), (180, 452065803), (189, 430538860), (190, 428272866), (210, 387484974), (228, 356894055), (252, 322904145), (266, 305909190), (270, 301377202), (285, 285515244), (315, 258323316), (342, 237929370), (378, 215269430), (380, 214136433), (399, 203939460), (420, 193742487), (513, 158619580), (532, 152954595), (540, 150688601), (570, 142757622), (630, 129161658), (665, 122363676), (684, 118964685), (756, 107634715), (798, 101969730), (855, 95171748), (945, 86107772), (1026, 79309790), (1140, 71378811), (1197, 67979820), (1260, 64580829), (1330, 61181838), (1596, 50984865), (1710, 47585874), (1890, 43053886), (1995, 40787892), (2052, 39654895), (2394, 33989910), (2565, 31723916), (2660, 30590919), (3420, 23792937), (3591, 22659940), (3780, 21526943), (3990, 20393946), (4788, 16994955), (5130, 15861958), (5985, 13595964), (7182, 11329970), (7980, 10196973), (10260, 7930979), (11970, 6797982), (14364, 5664985), (17955, 4531988), (23940, 3398991), (35910, 2265994), (71820, 1132997)]