127543960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{653}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 303717600

約数和(自身を除く): 176173640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 257, 380, 514, 653, 760, 1028, 1285, 1306, 2056, 2570, 2612, 3265, 4883, 5140, 5224, 6530, 9766, 10280, 12407, 13060, 19532, 24415, 24814, 26120, 39064, 48830, 49628, 62035, 97660, 99256, 124070, 167821, 195320, 248140, 335642, 496280, 671284, 839105, 1342568, 1678210, 3188599, 3356420, 6377198, 6712840, 12754396, 15942995, 25508792, 31885990, 63771980, 127543960]

約数ペア:

[(1, 127543960), (2, 63771980), (4, 31885990), (5, 25508792), (8, 15942995), (10, 12754396), (19, 6712840), (20, 6377198), (38, 3356420), (40, 3188599), (76, 1678210), (95, 1342568), (152, 839105), (190, 671284), (257, 496280), (380, 335642), (514, 248140), (653, 195320), (760, 167821), (1028, 124070), (1285, 99256), (1306, 97660), (2056, 62035), (2570, 49628), (2612, 48830), (3265, 39064), (4883, 26120), (5140, 24814), (5224, 24415), (6530, 19532), (9766, 13060), (10280, 12407)]