2561213520

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4441}}^1$

素因数の和:4555

約数の個数: 200

約数和(自身を含む): 8997448680

約数和(自身を除く): 6436235160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 89, 90, 108, 120, 135, 144, 162, 178, 180, 216, 240, 267, 270, 324, 356, 360, 405, 432, 445, 534, 540, 648, 712, 720, 801, 810, 890, 1068, 1080, 1296, 1335, 1424, 1602, 1620, 1780, 2136, 2160, 2403, 2670, 3204, 3240, 3560, 4005, 4272, 4441, 4806, 5340, 6408, 6480, 7120, 7209, 8010, 8882, 9612, 10680, 12015, 12816, 13323, 14418, 16020, 17764, 19224, 21360, 22205, 24030, 26646, 28836, 32040, 35528, 36045, 38448, 39969, 44410, 48060, 53292, 57672, 64080, 66615, 71056, 72090, 79938, 88820, 96120, 106584, 115344, 119907, 133230, 144180, 159876, 177640, 192240, 199845, 213168, 239814, 266460, 288360, 319752, 355280, 359721, 395249, 399690, 479628, 532920, 576720, 599535, 639504, 719442, 790498, 799380, 959256, 1065840, 1185747, 1199070, 1438884, 1580996, 1598760, 1798605, 1918512, 1976245, 2371494, 2398140, 2877768, 3161992, 3197520, 3557241, 3597210, 3952490, 4742988, 4796280, 5755536, 5928735, 6323984, 7114482, 7194420, 7904980, 9485976, 9592560, 10671723, 11857470, 14228964, 14388840, 15809960, 17786205, 18971952, 21343446, 23714940, 28457928, 28777680, 31619920, 32015169, 35572410, 42686892, 47429880, 53358615, 56915856, 64030338, 71144820, 85373784, 94859760, 106717230, 128060676, 142289640, 160075845, 170747568, 213434460, 256121352, 284579280, 320151690, 426868920, 512242704, 640303380, 853737840, 1280606760, 2561213520]

約数ペア:

[(1, 2561213520), (2, 1280606760), (3, 853737840), (4, 640303380), (5, 512242704), (6, 426868920), (8, 320151690), (9, 284579280), (10, 256121352), (12, 213434460), (15, 170747568), (16, 160075845), (18, 142289640), (20, 128060676), (24, 106717230), (27, 94859760), (30, 85373784), (36, 71144820), (40, 64030338), (45, 56915856), (48, 53358615), (54, 47429880), (60, 42686892), (72, 35572410), (80, 32015169), (81, 31619920), (89, 28777680), (90, 28457928), (108, 23714940), (120, 21343446), (135, 18971952), (144, 17786205), (162, 15809960), (178, 14388840), (180, 14228964), (216, 11857470), (240, 10671723), (267, 9592560), (270, 9485976), (324, 7904980), (356, 7194420), (360, 7114482), (405, 6323984), (432, 5928735), (445, 5755536), (534, 4796280), (540, 4742988), (648, 3952490), (712, 3597210), (720, 3557241), (801, 3197520), (810, 3161992), (890, 2877768), (1068, 2398140), (1080, 2371494), (1296, 1976245), (1335, 1918512), (1424, 1798605), (1602, 1598760), (1620, 1580996), (1780, 1438884), (2136, 1199070), (2160, 1185747), (2403, 1065840), (2670, 959256), (3204, 799380), (3240, 790498), (3560, 719442), (4005, 639504), (4272, 599535), (4441, 576720), (4806, 532920), (5340, 479628), (6408, 399690), (6480, 395249), (7120, 359721), (7209, 355280), (8010, 319752), (8882, 288360), (9612, 266460), (10680, 239814), (12015, 213168), (12816, 199845), (13323, 192240), (14418, 177640), (16020, 159876), (17764, 144180), (19224, 133230), (21360, 119907), (22205, 115344), (24030, 106584), (26646, 96120), (28836, 88820), (32040, 79938), (35528, 72090), (36045, 71056), (38448, 66615), (39969, 64080), (44410, 57672), (48060, 53292)]