81789720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40093}}^1$

素因数の和:40124

約数の個数: 64

約数和(自身を含む): 259809120

約数和(自身を除く): 178019400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 40093, 80186, 120279, 160372, 200465, 240558, 320744, 400930, 481116, 601395, 681581, 801860, 962232, 1202790, 1363162, 1603720, 2044743, 2405580, 2726324, 3407905, 4089486, 4811160, 5452648, 6815810, 8178972, 10223715, 13631620, 16357944, 20447430, 27263240, 40894860, 81789720]

約数ペア:

[(1, 81789720), (2, 40894860), (3, 27263240), (4, 20447430), (5, 16357944), (6, 13631620), (8, 10223715), (10, 8178972), (12, 6815810), (15, 5452648), (17, 4811160), (20, 4089486), (24, 3407905), (30, 2726324), (34, 2405580), (40, 2044743), (51, 1603720), (60, 1363162), (68, 1202790), (85, 962232), (102, 801860), (120, 681581), (136, 601395), (170, 481116), (204, 400930), (255, 320744), (340, 240558), (408, 200465), (510, 160372), (680, 120279), (1020, 80186), (2040, 40093)]