79747740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{269}}^1$

素因数の和:354

約数の個数: 144

約数和(自身を含む): 255921120

約数和(自身を除く): 176173380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 243, 244, 269, 270, 305, 324, 366, 405, 486, 538, 540, 549, 610, 732, 807, 810, 915, 972, 1076, 1098, 1215, 1220, 1345, 1614, 1620, 1647, 1830, 2196, 2421, 2430, 2690, 2745, 3228, 3294, 3660, 4035, 4842, 4860, 4941, 5380, 5490, 6588, 7263, 8070, 8235, 9684, 9882, 10980, 12105, 14526, 14823, 16140, 16409, 16470, 19764, 21789, 24210, 24705, 29052, 29646, 32818, 32940, 36315, 43578, 48420, 49227, 49410, 59292, 65367, 65636, 72630, 74115, 82045, 87156, 98454, 98820, 108945, 130734, 145260, 147681, 148230, 164090, 196908, 217890, 246135, 261468, 295362, 296460, 326835, 328180, 435780, 443043, 492270, 590724, 653670, 738405, 886086, 984540, 1307340, 1329129, 1476810, 1772172, 2215215, 2658258, 2953620, 3987387, 4430430, 5316516, 6645645, 7974774, 8860860, 13291290, 15949548, 19936935, 26582580, 39873870, 79747740]

約数ペア:

[(1, 79747740), (2, 39873870), (3, 26582580), (4, 19936935), (5, 15949548), (6, 13291290), (9, 8860860), (10, 7974774), (12, 6645645), (15, 5316516), (18, 4430430), (20, 3987387), (27, 2953620), (30, 2658258), (36, 2215215), (45, 1772172), (54, 1476810), (60, 1329129), (61, 1307340), (81, 984540), (90, 886086), (108, 738405), (122, 653670), (135, 590724), (162, 492270), (180, 443043), (183, 435780), (243, 328180), (244, 326835), (269, 296460), (270, 295362), (305, 261468), (324, 246135), (366, 217890), (405, 196908), (486, 164090), (538, 148230), (540, 147681), (549, 145260), (610, 130734), (732, 108945), (807, 98820), (810, 98454), (915, 87156), (972, 82045), (1076, 74115), (1098, 72630), (1215, 65636), (1220, 65367), (1345, 59292), (1614, 49410), (1620, 49227), (1647, 48420), (1830, 43578), (2196, 36315), (2421, 32940), (2430, 32818), (2690, 29646), (2745, 29052), (3228, 24705), (3294, 24210), (3660, 21789), (4035, 19764), (4842, 16470), (4860, 16409), (4941, 16140), (5380, 14823), (5490, 14526), (6588, 12105), (7263, 10980), (8070, 9882), (8235, 9684)]