128882040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2253

約数の個数: 128

約数和(自身を含む): 448312320

約数和(自身を除く): 319430280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 426, 497, 568, 710, 840, 852, 994, 1065, 1420, 1491, 1704, 1988, 2130, 2161, 2485, 2840, 2982, 3976, 4260, 4322, 4970, 5964, 6483, 7455, 8520, 8644, 9940, 10805, 11928, 12966, 14910, 15127, 17288, 19880, 21610, 25932, 29820, 30254, 32415, 43220, 45381, 51864, 59640, 60508, 64830, 75635, 86440, 90762, 121016, 129660, 151270, 153431, 181524, 226905, 259320, 302540, 306862, 363048, 453810, 460293, 605080, 613724, 767155, 907620, 920586, 1074017, 1227448, 1534310, 1815240, 1841172, 2148034, 2301465, 3068620, 3222051, 3682344, 4296068, 4602930, 5370085, 6137240, 6444102, 8592136, 9205860, 10740170, 12888204, 16110255, 18411720, 21480340, 25776408, 32220510, 42960680, 64441020, 128882040]

約数ペア:

[(1, 128882040), (2, 64441020), (3, 42960680), (4, 32220510), (5, 25776408), (6, 21480340), (7, 18411720), (8, 16110255), (10, 12888204), (12, 10740170), (14, 9205860), (15, 8592136), (20, 6444102), (21, 6137240), (24, 5370085), (28, 4602930), (30, 4296068), (35, 3682344), (40, 3222051), (42, 3068620), (56, 2301465), (60, 2148034), (70, 1841172), (71, 1815240), (84, 1534310), (105, 1227448), (120, 1074017), (140, 920586), (142, 907620), (168, 767155), (210, 613724), (213, 605080), (280, 460293), (284, 453810), (355, 363048), (420, 306862), (426, 302540), (497, 259320), (568, 226905), (710, 181524), (840, 153431), (852, 151270), (994, 129660), (1065, 121016), (1420, 90762), (1491, 86440), (1704, 75635), (1988, 64830), (2130, 60508), (2161, 59640), (2485, 51864), (2840, 45381), (2982, 43220), (3976, 32415), (4260, 30254), (4322, 29820), (4970, 25932), (5964, 21610), (6483, 19880), (7455, 17288), (8520, 15127), (8644, 14910), (9940, 12966), (10805, 11928)]