281224440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{37199}}^1$

素因数の和:37226

約数の個数: 128

約数和(自身を含む): 1071360000

約数和(自身を除く): 790135560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 37199, 74398, 111597, 148796, 185995, 223194, 260393, 297592, 334791, 371990, 446388, 520786, 557985, 669582, 743980, 781179, 892776, 1004373, 1041572, 1115970, 1301965, 1339164, 1487960, 1562358, 1673955, 2008746, 2083144, 2231940, 2343537, 2603930, 2678328, 3124716, 3347910, 3905895, 4017492, 4463880, 4687074, 5021865, 5207860, 6249432, 6695820, 7030611, 7811790, 8034984, 9374148, 10043730, 10415720, 11717685, 13391640, 14061222, 15623580, 18748296, 20087460, 23435370, 28122444, 31247160, 35153055, 40174920, 46870740, 56244888, 70306110, 93741480, 140612220, 281224440]

約数ペア:

[(1, 281224440), (2, 140612220), (3, 93741480), (4, 70306110), (5, 56244888), (6, 46870740), (7, 40174920), (8, 35153055), (9, 31247160), (10, 28122444), (12, 23435370), (14, 20087460), (15, 18748296), (18, 15623580), (20, 14061222), (21, 13391640), (24, 11717685), (27, 10415720), (28, 10043730), (30, 9374148), (35, 8034984), (36, 7811790), (40, 7030611), (42, 6695820), (45, 6249432), (54, 5207860), (56, 5021865), (60, 4687074), (63, 4463880), (70, 4017492), (72, 3905895), (84, 3347910), (90, 3124716), (105, 2678328), (108, 2603930), (120, 2343537), (126, 2231940), (135, 2083144), (140, 2008746), (168, 1673955), (180, 1562358), (189, 1487960), (210, 1339164), (216, 1301965), (252, 1115970), (270, 1041572), (280, 1004373), (315, 892776), (360, 781179), (378, 743980), (420, 669582), (504, 557985), (540, 520786), (630, 446388), (756, 371990), (840, 334791), (945, 297592), (1080, 260393), (1260, 223194), (1512, 185995), (1890, 148796), (2520, 111597), (3780, 74398), (7560, 37199)]