131983120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2864

約数の個数: 80

約数和(自身を含む): 333550080

約数和(自身を除く): 201566960

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, 2801, 2945, 4712, 5602, 5890, 9424, 11204, 11780, 14005, 22408, 23560, 28010, 44816, 47120, 53219, 56020, 86831, 106438, 112040, 173662, 212876, 224080, 266095, 347324, 425752, 434155, 532190, 694648, 851504, 868310, 1064380, 1389296, 1649789, 1736620, 2128760, 3299578, 3473240, 4257520, 6599156, 6946480, 8248945, 13198312, 16497890, 26396624, 32995780, 65991560, 131983120]

約数ペア:

[(1, 131983120), (2, 65991560), (4, 32995780), (5, 26396624), (8, 16497890), (10, 13198312), (16, 8248945), (19, 6946480), (20, 6599156), (31, 4257520), (38, 3473240), (40, 3299578), (62, 2128760), (76, 1736620), (80, 1649789), (95, 1389296), (124, 1064380), (152, 868310), (155, 851504), (190, 694648), (248, 532190), (304, 434155), (310, 425752), (380, 347324), (496, 266095), (589, 224080), (620, 212876), (760, 173662), (1178, 112040), (1240, 106438), (1520, 86831), (2356, 56020), (2480, 53219), (2801, 47120), (2945, 44816), (4712, 28010), (5602, 23560), (5890, 22408), (9424, 14005), (11204, 11780)]