280518660

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1439}}^1$

素因数の和:1495

約数の個数: 144

約数和(自身を含む): 921715200

約数和(自身を除く): 641196540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 361, 380, 513, 540, 570, 684, 722, 855, 1026, 1083, 1140, 1439, 1444, 1710, 1805, 2052, 2166, 2565, 2878, 3249, 3420, 3610, 4317, 4332, 5130, 5415, 5756, 6498, 7195, 7220, 8634, 9747, 10260, 10830, 12951, 12996, 14390, 16245, 17268, 19494, 21585, 21660, 25902, 27341, 28780, 32490, 38853, 38988, 43170, 48735, 51804, 54682, 64755, 64980, 77706, 82023, 86340, 97470, 109364, 129510, 136705, 155412, 164046, 194265, 194940, 246069, 259020, 273410, 328092, 388530, 410115, 492138, 519479, 546820, 738207, 777060, 820230, 984276, 1038958, 1230345, 1476414, 1558437, 1640460, 2077916, 2460690, 2597395, 2952828, 3116874, 3691035, 4675311, 4921380, 5194790, 6233748, 7382070, 7792185, 9350622, 10389580, 14025933, 14764140, 15584370, 18701244, 23376555, 28051866, 31168740, 46753110, 56103732, 70129665, 93506220, 140259330, 280518660]

約数ペア:

[(1, 280518660), (2, 140259330), (3, 93506220), (4, 70129665), (5, 56103732), (6, 46753110), (9, 31168740), (10, 28051866), (12, 23376555), (15, 18701244), (18, 15584370), (19, 14764140), (20, 14025933), (27, 10389580), (30, 9350622), (36, 7792185), (38, 7382070), (45, 6233748), (54, 5194790), (57, 4921380), (60, 4675311), (76, 3691035), (90, 3116874), (95, 2952828), (108, 2597395), (114, 2460690), (135, 2077916), (171, 1640460), (180, 1558437), (190, 1476414), (228, 1230345), (270, 1038958), (285, 984276), (342, 820230), (361, 777060), (380, 738207), (513, 546820), (540, 519479), (570, 492138), (684, 410115), (722, 388530), (855, 328092), (1026, 273410), (1083, 259020), (1140, 246069), (1439, 194940), (1444, 194265), (1710, 164046), (1805, 155412), (2052, 136705), (2166, 129510), (2565, 109364), (2878, 97470), (3249, 86340), (3420, 82023), (3610, 77706), (4317, 64980), (4332, 64755), (5130, 54682), (5415, 51804), (5756, 48735), (6498, 43170), (7195, 38988), (7220, 38853), (8634, 32490), (9747, 28780), (10260, 27341), (10830, 25902), (12951, 21660), (12996, 21585), (14390, 19494), (16245, 17268)]