128933280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{12791}}^1$

素因数の和:12819

約数の個数: 144

約数和(自身を含む): 502879104

約数和(自身を除く): 373945824

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 12791, 25582, 38373, 51164, 63955, 76746, 89537, 102328, 115119, 127910, 153492, 179074, 191865, 204656, 230238, 255820, 268611, 306984, 358148, 383730, 409312, 447685, 460476, 511640, 537222, 575595, 613968, 716296, 767460, 805833, 895370, 920952, 1023280, 1074444, 1151190, 1227936, 1343055, 1432592, 1534920, 1611666, 1790740, 1841904, 2046560, 2148888, 2302380, 2686110, 2865184, 3069840, 3223332, 3581480, 3683808, 4029165, 4297776, 4604760, 5372220, 6139680, 6446664, 7162960, 8058330, 8595552, 9209520, 10744440, 12893328, 14325920, 16116660, 18419040, 21488880, 25786656, 32233320, 42977760, 64466640, 128933280]

約数ペア:

[(1, 128933280), (2, 64466640), (3, 42977760), (4, 32233320), (5, 25786656), (6, 21488880), (7, 18419040), (8, 16116660), (9, 14325920), (10, 12893328), (12, 10744440), (14, 9209520), (15, 8595552), (16, 8058330), (18, 7162960), (20, 6446664), (21, 6139680), (24, 5372220), (28, 4604760), (30, 4297776), (32, 4029165), (35, 3683808), (36, 3581480), (40, 3223332), (42, 3069840), (45, 2865184), (48, 2686110), (56, 2302380), (60, 2148888), (63, 2046560), (70, 1841904), (72, 1790740), (80, 1611666), (84, 1534920), (90, 1432592), (96, 1343055), (105, 1227936), (112, 1151190), (120, 1074444), (126, 1023280), (140, 920952), (144, 895370), (160, 805833), (168, 767460), (180, 716296), (210, 613968), (224, 575595), (240, 537222), (252, 511640), (280, 460476), (288, 447685), (315, 409312), (336, 383730), (360, 358148), (420, 306984), (480, 268611), (504, 255820), (560, 230238), (630, 204656), (672, 191865), (720, 179074), (840, 153492), (1008, 127910), (1120, 115119), (1260, 102328), (1440, 89537), (1680, 76746), (2016, 63955), (2520, 51164), (3360, 38373), (5040, 25582), (10080, 12791)]