621880440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1621}}^1$

素因数の和:1797

約数の個数: 128

約数和(自身を含む): 1961971200

約数和(自身を除く): 1340090760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 139, 184, 230, 276, 278, 345, 417, 460, 552, 556, 690, 695, 834, 920, 1112, 1380, 1390, 1621, 1668, 2085, 2760, 2780, 3197, 3242, 3336, 4170, 4863, 5560, 6394, 6484, 8105, 8340, 9591, 9726, 12788, 12968, 15985, 16210, 16680, 19182, 19452, 24315, 25576, 31970, 32420, 37283, 38364, 38904, 47955, 48630, 63940, 64840, 74566, 76728, 95910, 97260, 111849, 127880, 149132, 186415, 191820, 194520, 223698, 225319, 298264, 372830, 383640, 447396, 450638, 559245, 675957, 745660, 894792, 901276, 1118490, 1126595, 1351914, 1491320, 1802552, 2236980, 2253190, 2703828, 3379785, 4473960, 4506380, 5182337, 5407656, 6759570, 9012760, 10364674, 13519140, 15547011, 20729348, 25911685, 27038280, 31094022, 41458696, 51823370, 62188044, 77735055, 103646740, 124376088, 155470110, 207293480, 310940220, 621880440]

約数ペア:

[(1, 621880440), (2, 310940220), (3, 207293480), (4, 155470110), (5, 124376088), (6, 103646740), (8, 77735055), (10, 62188044), (12, 51823370), (15, 41458696), (20, 31094022), (23, 27038280), (24, 25911685), (30, 20729348), (40, 15547011), (46, 13519140), (60, 10364674), (69, 9012760), (92, 6759570), (115, 5407656), (120, 5182337), (138, 4506380), (139, 4473960), (184, 3379785), (230, 2703828), (276, 2253190), (278, 2236980), (345, 1802552), (417, 1491320), (460, 1351914), (552, 1126595), (556, 1118490), (690, 901276), (695, 894792), (834, 745660), (920, 675957), (1112, 559245), (1380, 450638), (1390, 447396), (1621, 383640), (1668, 372830), (2085, 298264), (2760, 225319), (2780, 223698), (3197, 194520), (3242, 191820), (3336, 186415), (4170, 149132), (4863, 127880), (5560, 111849), (6394, 97260), (6484, 95910), (8105, 76728), (8340, 74566), (9591, 64840), (9726, 63940), (12788, 48630), (12968, 47955), (15985, 38904), (16210, 38364), (16680, 37283), (19182, 32420), (19452, 31970), (24315, 25576)]