215455140

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{743}}^1$

素因数の和:943

約数の個数: 120

約数和(自身を含む): 680581440

約数和(自身を除く): 465126300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 179, 180, 270, 324, 358, 405, 537, 540, 716, 743, 810, 895, 1074, 1486, 1611, 1620, 1790, 2148, 2229, 2685, 2972, 3222, 3580, 3715, 4458, 4833, 5370, 6444, 6687, 7430, 8055, 8916, 9666, 10740, 11145, 13374, 14499, 14860, 16110, 19332, 20061, 22290, 24165, 26748, 28998, 32220, 33435, 40122, 44580, 48330, 57996, 60183, 66870, 72495, 80244, 96660, 100305, 120366, 132997, 133740, 144990, 200610, 240732, 265994, 289980, 300915, 398991, 401220, 531988, 601830, 664985, 797982, 1196973, 1203660, 1329970, 1595964, 1994955, 2393946, 2659940, 3590919, 3989910, 4787892, 5984865, 7181838, 7979820, 10772757, 11969730, 14363676, 17954595, 21545514, 23939460, 35909190, 43091028, 53863785, 71818380, 107727570, 215455140]

約数ペア:

[(1, 215455140), (2, 107727570), (3, 71818380), (4, 53863785), (5, 43091028), (6, 35909190), (9, 23939460), (10, 21545514), (12, 17954595), (15, 14363676), (18, 11969730), (20, 10772757), (27, 7979820), (30, 7181838), (36, 5984865), (45, 4787892), (54, 3989910), (60, 3590919), (81, 2659940), (90, 2393946), (108, 1994955), (135, 1595964), (162, 1329970), (179, 1203660), (180, 1196973), (270, 797982), (324, 664985), (358, 601830), (405, 531988), (537, 401220), (540, 398991), (716, 300915), (743, 289980), (810, 265994), (895, 240732), (1074, 200610), (1486, 144990), (1611, 133740), (1620, 132997), (1790, 120366), (2148, 100305), (2229, 96660), (2685, 80244), (2972, 72495), (3222, 66870), (3580, 60183), (3715, 57996), (4458, 48330), (4833, 44580), (5370, 40122), (6444, 33435), (6687, 32220), (7430, 28998), (8055, 26748), (8916, 24165), (9666, 22290), (10740, 20061), (11145, 19332), (13374, 16110), (14499, 14860)]