128836680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{21911}}^1$

素因数の和:21939

約数の個数: 96

約数和(自身を含む): 449634240

約数和(自身を除く): 320797560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 21911, 43822, 65733, 87644, 109555, 131466, 153377, 175288, 219110, 262932, 306754, 328665, 438220, 460131, 525864, 613508, 657330, 766885, 876440, 920262, 1073639, 1227016, 1314660, 1533770, 1840524, 2147278, 2300655, 2629320, 3067540, 3220917, 3681048, 4294556, 4601310, 5368195, 6135080, 6441834, 8589112, 9202620, 10736390, 12883668, 16104585, 18405240, 21472780, 25767336, 32209170, 42945560, 64418340, 128836680]

約数ペア:

[(1, 128836680), (2, 64418340), (3, 42945560), (4, 32209170), (5, 25767336), (6, 21472780), (7, 18405240), (8, 16104585), (10, 12883668), (12, 10736390), (14, 9202620), (15, 8589112), (20, 6441834), (21, 6135080), (24, 5368195), (28, 4601310), (30, 4294556), (35, 3681048), (40, 3220917), (42, 3067540), (49, 2629320), (56, 2300655), (60, 2147278), (70, 1840524), (84, 1533770), (98, 1314660), (105, 1227016), (120, 1073639), (140, 920262), (147, 876440), (168, 766885), (196, 657330), (210, 613508), (245, 525864), (280, 460131), (294, 438220), (392, 328665), (420, 306754), (490, 262932), (588, 219110), (735, 175288), (840, 153377), (980, 131466), (1176, 109555), (1470, 87644), (1960, 65733), (2940, 43822), (5880, 21911)]