397751760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{78919}}^1$

素因数の和:78945

約数の個数: 120

約数和(自身を含む): 1526628480

約数和(自身を除く): 1128876720

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, 78919, 157838, 236757, 315676, 394595, 473514, 552433, 631352, 710271, 789190, 947028, 1104866, 1183785, 1262704, 1420542, 1578380, 1657299, 1894056, 2209732, 2367570, 2762165, 2841084, 3156760, 3314598, 3551355, 3788112, 4419464, 4735140, 4971897, 5524330, 5682168, 6313520, 6629196, 7102710, 8286495, 8838928, 9470280, 9943794, 11048660, 11364336, 13258392, 14205420, 16572990, 18940560, 19887588, 22097320, 24859485, 26516784, 28410840, 33145980, 39775176, 44194640, 49718970, 56821680, 66291960, 79550352, 99437940, 132583920, 198875880, 397751760]

約数ペア:

[(1, 397751760), (2, 198875880), (3, 132583920), (4, 99437940), (5, 79550352), (6, 66291960), (7, 56821680), (8, 49718970), (9, 44194640), (10, 39775176), (12, 33145980), (14, 28410840), (15, 26516784), (16, 24859485), (18, 22097320), (20, 19887588), (21, 18940560), (24, 16572990), (28, 14205420), (30, 13258392), (35, 11364336), (36, 11048660), (40, 9943794), (42, 9470280), (45, 8838928), (48, 8286495), (56, 7102710), (60, 6629196), (63, 6313520), (70, 5682168), (72, 5524330), (80, 4971897), (84, 4735140), (90, 4419464), (105, 3788112), (112, 3551355), (120, 3314598), (126, 3156760), (140, 2841084), (144, 2762165), (168, 2367570), (180, 2209732), (210, 1894056), (240, 1657299), (252, 1578380), (280, 1420542), (315, 1262704), (336, 1183785), (360, 1104866), (420, 947028), (504, 789190), (560, 710271), (630, 631352), (720, 552433), (840, 473514), (1008, 394595), (1260, 315676), (1680, 236757), (2520, 157838), (5040, 78919)]