243657520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5171}}^1$

素因数の和:5234

約数の個数: 80

約数和(自身を含む): 615674880

約数和(自身を除く): 372017360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5171, 5890, 9424, 10342, 11780, 20684, 23560, 25855, 41368, 47120, 51710, 82736, 98249, 103420, 160301, 196498, 206840, 320602, 392996, 413680, 491245, 641204, 785992, 801505, 982490, 1282408, 1571984, 1603010, 1964980, 2564816, 3045719, 3206020, 3929960, 6091438, 6412040, 7859920, 12182876, 12824080, 15228595, 24365752, 30457190, 48731504, 60914380, 121828760, 243657520]

約数ペア:

[(1, 243657520), (2, 121828760), (4, 60914380), (5, 48731504), (8, 30457190), (10, 24365752), (16, 15228595), (19, 12824080), (20, 12182876), (31, 7859920), (38, 6412040), (40, 6091438), (62, 3929960), (76, 3206020), (80, 3045719), (95, 2564816), (124, 1964980), (152, 1603010), (155, 1571984), (190, 1282408), (248, 982490), (304, 801505), (310, 785992), (380, 641204), (496, 491245), (589, 413680), (620, 392996), (760, 320602), (1178, 206840), (1240, 196498), (1520, 160301), (2356, 103420), (2480, 98249), (2945, 82736), (4712, 51710), (5171, 47120), (5890, 41368), (9424, 25855), (10342, 23560), (11780, 20684)]