19452971200

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{30169}}^1$

素因数の和:30235

約数の個数: 168

約数和(自身を含む): 53213121920

約数和(自身を除く): 33760150720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 64, 65, 80, 100, 104, 124, 130, 155, 160, 200, 208, 248, 260, 310, 320, 325, 400, 403, 416, 496, 520, 620, 650, 775, 800, 806, 832, 992, 1040, 1240, 1300, 1550, 1600, 1612, 1984, 2015, 2080, 2480, 2600, 3100, 3224, 4030, 4160, 4960, 5200, 6200, 6448, 8060, 9920, 10075, 10400, 12400, 12896, 16120, 20150, 20800, 24800, 25792, 30169, 32240, 40300, 49600, 60338, 64480, 80600, 120676, 128960, 150845, 161200, 241352, 301690, 322400, 392197, 482704, 603380, 644800, 754225, 784394, 935239, 965408, 1206760, 1508450, 1568788, 1870478, 1930816, 1960985, 2413520, 3016900, 3137576, 3740956, 3921970, 4676195, 4827040, 6033800, 6275152, 7481912, 7843940, 9352390, 9654080, 9804925, 12067600, 12158107, 12550304, 14963824, 15687880, 18704780, 19609850, 23380975, 24135200, 24316214, 25100608, 29927648, 31375760, 37409560, 39219700, 46761950, 48270400, 48632428, 59855296, 60790535, 62751520, 74819120, 78439400, 93523900, 97264856, 121581070, 125503040, 149638240, 156878800, 187047800, 194529712, 243162140, 299276480, 303952675, 313757600, 374095600, 389059424, 486324280, 607905350, 627515200, 748191200, 778118848, 972648560, 1215810700, 1496382400, 1945297120, 2431621400, 3890594240, 4863242800, 9726485600, 19452971200]

約数ペア:

[(1, 19452971200), (2, 9726485600), (4, 4863242800), (5, 3890594240), (8, 2431621400), (10, 1945297120), (13, 1496382400), (16, 1215810700), (20, 972648560), (25, 778118848), (26, 748191200), (31, 627515200), (32, 607905350), (40, 486324280), (50, 389059424), (52, 374095600), (62, 313757600), (64, 303952675), (65, 299276480), (80, 243162140), (100, 194529712), (104, 187047800), (124, 156878800), (130, 149638240), (155, 125503040), (160, 121581070), (200, 97264856), (208, 93523900), (248, 78439400), (260, 74819120), (310, 62751520), (320, 60790535), (325, 59855296), (400, 48632428), (403, 48270400), (416, 46761950), (496, 39219700), (520, 37409560), (620, 31375760), (650, 29927648), (775, 25100608), (800, 24316214), (806, 24135200), (832, 23380975), (992, 19609850), (1040, 18704780), (1240, 15687880), (1300, 14963824), (1550, 12550304), (1600, 12158107), (1612, 12067600), (1984, 9804925), (2015, 9654080), (2080, 9352390), (2480, 7843940), (2600, 7481912), (3100, 6275152), (3224, 6033800), (4030, 4827040), (4160, 4676195), (4960, 3921970), (5200, 3740956), (6200, 3137576), (6448, 3016900), (8060, 2413520), (9920, 1960985), (10075, 1930816), (10400, 1870478), (12400, 1568788), (12896, 1508450), (16120, 1206760), (20150, 965408), (20800, 935239), (24800, 784394), (25792, 754225), (30169, 644800), (32240, 603380), (40300, 482704), (49600, 392197), (60338, 322400), (64480, 301690), (80600, 241352), (120676, 161200), (128960, 150845)]