128956860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3461}}^1$

素因数の和:3505

約数の個数: 120

約数和(自身を含む): 422253216

約数和(自身を除く): 293296356

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 270, 276, 324, 345, 405, 414, 460, 540, 621, 690, 810, 828, 1035, 1242, 1380, 1620, 1863, 2070, 2484, 3105, 3461, 3726, 4140, 6210, 6922, 7452, 9315, 10383, 12420, 13844, 17305, 18630, 20766, 31149, 34610, 37260, 41532, 51915, 62298, 69220, 79603, 93447, 103830, 124596, 155745, 159206, 186894, 207660, 238809, 280341, 311490, 318412, 373788, 398015, 467235, 477618, 560682, 622980, 716427, 796030, 934470, 955236, 1121364, 1194045, 1401705, 1432854, 1592060, 1868940, 2149281, 2388090, 2803410, 2865708, 3582135, 4298562, 4776180, 5606820, 6447843, 7164270, 8597124, 10746405, 12895686, 14328540, 21492810, 25791372, 32239215, 42985620, 64478430, 128956860]

約数ペア:

[(1, 128956860), (2, 64478430), (3, 42985620), (4, 32239215), (5, 25791372), (6, 21492810), (9, 14328540), (10, 12895686), (12, 10746405), (15, 8597124), (18, 7164270), (20, 6447843), (23, 5606820), (27, 4776180), (30, 4298562), (36, 3582135), (45, 2865708), (46, 2803410), (54, 2388090), (60, 2149281), (69, 1868940), (81, 1592060), (90, 1432854), (92, 1401705), (108, 1194045), (115, 1121364), (135, 955236), (138, 934470), (162, 796030), (180, 716427), (207, 622980), (230, 560682), (270, 477618), (276, 467235), (324, 398015), (345, 373788), (405, 318412), (414, 311490), (460, 280341), (540, 238809), (621, 207660), (690, 186894), (810, 159206), (828, 155745), (1035, 124596), (1242, 103830), (1380, 93447), (1620, 79603), (1863, 69220), (2070, 62298), (2484, 51915), (3105, 41532), (3461, 37260), (3726, 34610), (4140, 31149), (6210, 20766), (6922, 18630), (7452, 17305), (9315, 13844), (10383, 12420)]