221265270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1579}}^1$

素因数の和:1771

約数の個数: 80

約数和(自身を含む): 598775760

約数和(自身を除く): 377510490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 173, 270, 346, 405, 519, 810, 865, 1038, 1557, 1579, 1730, 2595, 3114, 3158, 4671, 4737, 5190, 7785, 7895, 9342, 9474, 14013, 14211, 15570, 15790, 23355, 23685, 28026, 28422, 42633, 46710, 47370, 70065, 71055, 85266, 127899, 140130, 142110, 213165, 255798, 273167, 426330, 546334, 639495, 819501, 1278990, 1365835, 1639002, 2458503, 2731670, 4097505, 4917006, 7375509, 8195010, 12292515, 14751018, 22126527, 24585030, 36877545, 44253054, 73755090, 110632635, 221265270]

約数ペア:

[(1, 221265270), (2, 110632635), (3, 73755090), (5, 44253054), (6, 36877545), (9, 24585030), (10, 22126527), (15, 14751018), (18, 12292515), (27, 8195010), (30, 7375509), (45, 4917006), (54, 4097505), (81, 2731670), (90, 2458503), (135, 1639002), (162, 1365835), (173, 1278990), (270, 819501), (346, 639495), (405, 546334), (519, 426330), (810, 273167), (865, 255798), (1038, 213165), (1557, 142110), (1579, 140130), (1730, 127899), (2595, 85266), (3114, 71055), (3158, 70065), (4671, 47370), (4737, 46710), (5190, 42633), (7785, 28422), (7895, 28026), (9342, 23685), (9474, 23355), (14013, 15790), (14211, 15570)]