28757428560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5705839}}^1$

素因数の和:5705865

約数の個数: 120

約数和(自身を含む): 110373768960

約数和(自身を除く): 81616340400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5705839, 11411678, 17117517, 22823356, 28529195, 34235034, 39940873, 45646712, 51352551, 57058390, 68470068, 79881746, 85587585, 91293424, 102705102, 114116780, 119822619, 136940136, 159763492, 171175170, 199704365, 205410204, 228233560, 239645238, 256762755, 273880272, 319526984, 342350340, 359467857, 399408730, 410820408, 456467120, 479290476, 513525510, 599113095, 639053968, 684700680, 718935714, 798817460, 821640816, 958580952, 1027051020, 1198226190, 1369401360, 1437871428, 1597634920, 1797339285, 1917161904, 2054102040, 2396452380, 2875742856, 3195269840, 3594678570, 4108204080, 4792904760, 5751485712, 7189357140, 9585809520, 14378714280, 28757428560]

約数ペア:

[(1, 28757428560), (2, 14378714280), (3, 9585809520), (4, 7189357140), (5, 5751485712), (6, 4792904760), (7, 4108204080), (8, 3594678570), (9, 3195269840), (10, 2875742856), (12, 2396452380), (14, 2054102040), (15, 1917161904), (16, 1797339285), (18, 1597634920), (20, 1437871428), (21, 1369401360), (24, 1198226190), (28, 1027051020), (30, 958580952), (35, 821640816), (36, 798817460), (40, 718935714), (42, 684700680), (45, 639053968), (48, 599113095), (56, 513525510), (60, 479290476), (63, 456467120), (70, 410820408), (72, 399408730), (80, 359467857), (84, 342350340), (90, 319526984), (105, 273880272), (112, 256762755), (120, 239645238), (126, 228233560), (140, 205410204), (144, 199704365), (168, 171175170), (180, 159763492), (210, 136940136), (240, 119822619), (252, 114116780), (280, 102705102), (315, 91293424), (336, 85587585), (360, 79881746), (420, 68470068), (504, 57058390), (560, 51352551), (630, 45646712), (720, 39940873), (840, 34235034), (1008, 28529195), (1260, 22823356), (1680, 17117517), (2520, 11411678), (5040, 5705839)]