1020155440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 2559836160

約数和(自身を除く): 1539680720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 79, 80, 82, 124, 127, 155, 158, 164, 205, 248, 254, 310, 316, 328, 395, 410, 496, 508, 620, 632, 635, 656, 790, 820, 1016, 1240, 1264, 1270, 1271, 1580, 1640, 2032, 2449, 2480, 2540, 2542, 3160, 3239, 3280, 3937, 4898, 5080, 5084, 5207, 6320, 6355, 6478, 7874, 9796, 10033, 10160, 10168, 10414, 12245, 12710, 12956, 15748, 16195, 19592, 19685, 20066, 20336, 20828, 24490, 25420, 25912, 26035, 31496, 32390, 39184, 39370, 40132, 41656, 48980, 50165, 50840, 51824, 52070, 62992, 64780, 78740, 80264, 83312, 97960, 100330, 100409, 101680, 104140, 129560, 157480, 160528, 161417, 195920, 200660, 200818, 208280, 259120, 311023, 314960, 322834, 401320, 401636, 411353, 416560, 502045, 622046, 645668, 802640, 803272, 807085, 822706, 1004090, 1244092, 1291336, 1555115, 1606544, 1614170, 1645412, 2008180, 2056765, 2488184, 2582672, 3110230, 3228340, 3290824, 4016360, 4113530, 4976368, 6220460, 6456680, 6581648, 8032720, 8227060, 12440920, 12751943, 12913360, 16454120, 24881840, 25503886, 32908240, 51007772, 63759715, 102015544, 127519430, 204031088, 255038860, 510077720, 1020155440]

約数ペア:

[(1, 1020155440), (2, 510077720), (4, 255038860), (5, 204031088), (8, 127519430), (10, 102015544), (16, 63759715), (20, 51007772), (31, 32908240), (40, 25503886), (41, 24881840), (62, 16454120), (79, 12913360), (80, 12751943), (82, 12440920), (124, 8227060), (127, 8032720), (155, 6581648), (158, 6456680), (164, 6220460), (205, 4976368), (248, 4113530), (254, 4016360), (310, 3290824), (316, 3228340), (328, 3110230), (395, 2582672), (410, 2488184), (496, 2056765), (508, 2008180), (620, 1645412), (632, 1614170), (635, 1606544), (656, 1555115), (790, 1291336), (820, 1244092), (1016, 1004090), (1240, 822706), (1264, 807085), (1270, 803272), (1271, 802640), (1580, 645668), (1640, 622046), (2032, 502045), (2449, 416560), (2480, 411353), (2540, 401636), (2542, 401320), (3160, 322834), (3239, 314960), (3280, 311023), (3937, 259120), (4898, 208280), (5080, 200818), (5084, 200660), (5207, 195920), (6320, 161417), (6355, 160528), (6478, 157480), (7874, 129560), (9796, 104140), (10033, 101680), (10160, 100409), (10168, 100330), (10414, 97960), (12245, 83312), (12710, 80264), (12956, 78740), (15748, 64780), (16195, 62992), (19592, 52070), (19685, 51824), (20066, 50840), (20336, 50165), (20828, 48980), (24490, 41656), (25420, 40132), (25912, 39370), (26035, 39184), (31496, 32390)]