640724040

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4903}}^1$

素因数の和:4945

約数の個数: 192

約数和(自身を含む): 2348035200

約数和(自身を除く): 1707311160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 121, 132, 135, 165, 180, 198, 216, 220, 242, 264, 270, 297, 330, 360, 363, 396, 440, 484, 495, 540, 594, 605, 660, 726, 792, 968, 990, 1080, 1089, 1188, 1210, 1320, 1452, 1485, 1815, 1980, 2178, 2376, 2420, 2904, 2970, 3267, 3630, 3960, 4356, 4840, 4903, 5445, 5940, 6534, 7260, 8712, 9806, 10890, 11880, 13068, 14520, 14709, 16335, 19612, 21780, 24515, 26136, 29418, 32670, 39224, 43560, 44127, 49030, 53933, 58836, 65340, 73545, 88254, 98060, 107866, 117672, 130680, 132381, 147090, 161799, 176508, 196120, 215732, 220635, 264762, 269665, 294180, 323598, 353016, 431464, 441270, 485397, 529524, 539330, 588360, 593263, 647196, 661905, 808995, 882540, 970794, 1059048, 1078660, 1186526, 1294392, 1323810, 1456191, 1617990, 1765080, 1779789, 1941588, 2157320, 2373052, 2426985, 2647620, 2912382, 2966315, 3235980, 3559578, 3883176, 4746104, 4853970, 5295240, 5339367, 5824764, 5932630, 6471960, 7119156, 7280955, 8898945, 9707940, 10678734, 11649528, 11865260, 14238312, 14561910, 16018101, 17797890, 19415880, 21357468, 23730520, 26696835, 29123820, 32036202, 35595780, 42714936, 53393670, 58247640, 64072404, 71191560, 80090505, 106787340, 128144808, 160181010, 213574680, 320362020, 640724040]

約数ペア:

[(1, 640724040), (2, 320362020), (3, 213574680), (4, 160181010), (5, 128144808), (6, 106787340), (8, 80090505), (9, 71191560), (10, 64072404), (11, 58247640), (12, 53393670), (15, 42714936), (18, 35595780), (20, 32036202), (22, 29123820), (24, 26696835), (27, 23730520), (30, 21357468), (33, 19415880), (36, 17797890), (40, 16018101), (44, 14561910), (45, 14238312), (54, 11865260), (55, 11649528), (60, 10678734), (66, 9707940), (72, 8898945), (88, 7280955), (90, 7119156), (99, 6471960), (108, 5932630), (110, 5824764), (120, 5339367), (121, 5295240), (132, 4853970), (135, 4746104), (165, 3883176), (180, 3559578), (198, 3235980), (216, 2966315), (220, 2912382), (242, 2647620), (264, 2426985), (270, 2373052), (297, 2157320), (330, 1941588), (360, 1779789), (363, 1765080), (396, 1617990), (440, 1456191), (484, 1323810), (495, 1294392), (540, 1186526), (594, 1078660), (605, 1059048), (660, 970794), (726, 882540), (792, 808995), (968, 661905), (990, 647196), (1080, 593263), (1089, 588360), (1188, 539330), (1210, 529524), (1320, 485397), (1452, 441270), (1485, 431464), (1815, 353016), (1980, 323598), (2178, 294180), (2376, 269665), (2420, 264762), (2904, 220635), (2970, 215732), (3267, 196120), (3630, 176508), (3960, 161799), (4356, 147090), (4840, 132381), (4903, 130680), (5445, 117672), (5940, 107866), (6534, 98060), (7260, 88254), (8712, 73545), (9806, 65340), (10890, 58836), (11880, 53933), (13068, 49030), (14520, 44127), (14709, 43560), (16335, 39224), (19612, 32670), (21780, 29418), (24515, 26136)]