8019450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:340

約数の個数: 72

約数和(自身を含む): 21936096

約数和(自身を除く): 13916646

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 251, 355, 426, 450, 502, 639, 710, 753, 1065, 1255, 1278, 1506, 1775, 2130, 2259, 2510, 3195, 3550, 3765, 4518, 5325, 6275, 6390, 7530, 10650, 11295, 12550, 15975, 17821, 18825, 22590, 31950, 35642, 37650, 53463, 56475, 89105, 106926, 112950, 160389, 178210, 267315, 320778, 445525, 534630, 801945, 891050, 1336575, 1603890, 2673150, 4009725, 8019450]

約数ペア:

[(1, 8019450), (2, 4009725), (3, 2673150), (5, 1603890), (6, 1336575), (9, 891050), (10, 801945), (15, 534630), (18, 445525), (25, 320778), (30, 267315), (45, 178210), (50, 160389), (71, 112950), (75, 106926), (90, 89105), (142, 56475), (150, 53463), (213, 37650), (225, 35642), (251, 31950), (355, 22590), (426, 18825), (450, 17821), (502, 15975), (639, 12550), (710, 11295), (753, 10650), (1065, 7530), (1255, 6390), (1278, 6275), (1506, 5325), (1775, 4518), (2130, 3765), (2259, 3550), (2510, 3195)]