17280560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 44595360

約数和(自身を除く): 27314800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 269, 292, 365, 440, 538, 584, 730, 803, 880, 1076, 1168, 1345, 1460, 1606, 2152, 2690, 2920, 2959, 3212, 4015, 4304, 5380, 5840, 5918, 6424, 8030, 10760, 11836, 12848, 14795, 16060, 19637, 21520, 23672, 29590, 32120, 39274, 47344, 59180, 64240, 78548, 98185, 118360, 157096, 196370, 216007, 236720, 314192, 392740, 432014, 785480, 864028, 1080035, 1570960, 1728056, 2160070, 3456112, 4320140, 8640280, 17280560]

約数ペア:

[(1, 17280560), (2, 8640280), (4, 4320140), (5, 3456112), (8, 2160070), (10, 1728056), (11, 1570960), (16, 1080035), (20, 864028), (22, 785480), (40, 432014), (44, 392740), (55, 314192), (73, 236720), (80, 216007), (88, 196370), (110, 157096), (146, 118360), (176, 98185), (220, 78548), (269, 64240), (292, 59180), (365, 47344), (440, 39274), (538, 32120), (584, 29590), (730, 23672), (803, 21520), (880, 19637), (1076, 16060), (1168, 14795), (1345, 12848), (1460, 11836), (1606, 10760), (2152, 8030), (2690, 6424), (2920, 5918), (2959, 5840), (3212, 5380), (4015, 4304)]