280470840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1103}}^1$

素因数の和:1293

約数の個数: 128

約数和(自身を含む): 912522240

約数和(自身を除く): 632051400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 163, 195, 260, 312, 326, 390, 489, 520, 652, 780, 815, 978, 1103, 1304, 1560, 1630, 1956, 2119, 2206, 2445, 3260, 3309, 3912, 4238, 4412, 4890, 5515, 6357, 6520, 6618, 8476, 8824, 9780, 10595, 11030, 12714, 13236, 14339, 16545, 16952, 19560, 21190, 22060, 25428, 26472, 28678, 31785, 33090, 42380, 43017, 44120, 50856, 57356, 63570, 66180, 71695, 84760, 86034, 114712, 127140, 132360, 143390, 172068, 179789, 215085, 254280, 286780, 344136, 359578, 430170, 539367, 573560, 719156, 860340, 898945, 1078734, 1438312, 1720680, 1797890, 2157468, 2337257, 2696835, 3595780, 4314936, 4674514, 5393670, 7011771, 7191560, 9349028, 10787340, 11686285, 14023542, 18698056, 21574680, 23372570, 28047084, 35058855, 46745140, 56094168, 70117710, 93490280, 140235420, 280470840]

約数ペア:

[(1, 280470840), (2, 140235420), (3, 93490280), (4, 70117710), (5, 56094168), (6, 46745140), (8, 35058855), (10, 28047084), (12, 23372570), (13, 21574680), (15, 18698056), (20, 14023542), (24, 11686285), (26, 10787340), (30, 9349028), (39, 7191560), (40, 7011771), (52, 5393670), (60, 4674514), (65, 4314936), (78, 3595780), (104, 2696835), (120, 2337257), (130, 2157468), (156, 1797890), (163, 1720680), (195, 1438312), (260, 1078734), (312, 898945), (326, 860340), (390, 719156), (489, 573560), (520, 539367), (652, 430170), (780, 359578), (815, 344136), (978, 286780), (1103, 254280), (1304, 215085), (1560, 179789), (1630, 172068), (1956, 143390), (2119, 132360), (2206, 127140), (2445, 114712), (3260, 86034), (3309, 84760), (3912, 71695), (4238, 66180), (4412, 63570), (4890, 57356), (5515, 50856), (6357, 44120), (6520, 43017), (6618, 42380), (8476, 33090), (8824, 31785), (9780, 28678), (10595, 26472), (11030, 25428), (12714, 22060), (13236, 21190), (14339, 19560), (16545, 16952)]