25721820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:169

約数の個数: 192

約数和(自身を含む): 88704000

約数和(自身を除く): 62982180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 27, 30, 36, 38, 45, 46, 54, 57, 60, 69, 76, 90, 92, 95, 108, 109, 114, 115, 135, 138, 171, 180, 190, 207, 218, 228, 230, 270, 276, 285, 327, 342, 345, 380, 414, 436, 437, 460, 513, 540, 545, 570, 621, 654, 684, 690, 828, 855, 874, 981, 1026, 1035, 1090, 1140, 1242, 1308, 1311, 1380, 1635, 1710, 1748, 1962, 2052, 2070, 2071, 2180, 2185, 2484, 2507, 2565, 2622, 2943, 3105, 3270, 3420, 3924, 3933, 4140, 4142, 4370, 4905, 5014, 5130, 5244, 5886, 6210, 6213, 6540, 6555, 7521, 7866, 8284, 8740, 9810, 10028, 10260, 10355, 11772, 11799, 12420, 12426, 12535, 13110, 14715, 15042, 15732, 18639, 19620, 19665, 20710, 22563, 23598, 24852, 25070, 26220, 29430, 30084, 31065, 37278, 37605, 39330, 41420, 45126, 47196, 47633, 50140, 55917, 58860, 58995, 62130, 67689, 74556, 75210, 78660, 90252, 93195, 95266, 111834, 112815, 117990, 124260, 135378, 142899, 150420, 186390, 190532, 223668, 225630, 235980, 238165, 270756, 279585, 285798, 338445, 372780, 428697, 451260, 476330, 559170, 571596, 676890, 714495, 857394, 952660, 1118340, 1286091, 1353780, 1428990, 1714788, 2143485, 2572182, 2857980, 4286970, 5144364, 6430455, 8573940, 12860910, 25721820]

約数ペア:

[(1, 25721820), (2, 12860910), (3, 8573940), (4, 6430455), (5, 5144364), (6, 4286970), (9, 2857980), (10, 2572182), (12, 2143485), (15, 1714788), (18, 1428990), (19, 1353780), (20, 1286091), (23, 1118340), (27, 952660), (30, 857394), (36, 714495), (38, 676890), (45, 571596), (46, 559170), (54, 476330), (57, 451260), (60, 428697), (69, 372780), (76, 338445), (90, 285798), (92, 279585), (95, 270756), (108, 238165), (109, 235980), (114, 225630), (115, 223668), (135, 190532), (138, 186390), (171, 150420), (180, 142899), (190, 135378), (207, 124260), (218, 117990), (228, 112815), (230, 111834), (270, 95266), (276, 93195), (285, 90252), (327, 78660), (342, 75210), (345, 74556), (380, 67689), (414, 62130), (436, 58995), (437, 58860), (460, 55917), (513, 50140), (540, 47633), (545, 47196), (570, 45126), (621, 41420), (654, 39330), (684, 37605), (690, 37278), (828, 31065), (855, 30084), (874, 29430), (981, 26220), (1026, 25070), (1035, 24852), (1090, 23598), (1140, 22563), (1242, 20710), (1308, 19665), (1311, 19620), (1380, 18639), (1635, 15732), (1710, 15042), (1748, 14715), (1962, 13110), (2052, 12535), (2070, 12426), (2071, 12420), (2180, 11799), (2185, 11772), (2484, 10355), (2507, 10260), (2565, 10028), (2622, 9810), (2943, 8740), (3105, 8284), (3270, 7866), (3420, 7521), (3924, 6555), (3933, 6540), (4140, 6213), (4142, 6210), (4370, 5886), (4905, 5244), (5014, 5130)]