903893120

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 2395594440

約数和(自身を除く): 1491701320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 80, 104, 122, 128, 130, 137, 160, 169, 208, 244, 260, 274, 305, 320, 338, 416, 488, 520, 548, 610, 640, 676, 685, 793, 832, 845, 976, 1040, 1096, 1220, 1352, 1370, 1586, 1664, 1690, 1781, 1952, 2080, 2192, 2440, 2704, 2740, 3172, 3380, 3562, 3904, 3965, 4160, 4384, 4880, 5408, 5480, 6344, 6760, 7124, 7808, 7930, 8320, 8357, 8768, 8905, 9760, 10309, 10816, 10960, 12688, 13520, 14248, 15860, 16714, 17536, 17810, 19520, 20618, 21632, 21920, 23153, 25376, 27040, 28496, 31720, 33428, 35620, 39040, 41236, 41785, 43840, 46306, 50752, 51545, 54080, 56992, 63440, 66856, 71240, 82472, 83570, 87680, 92612, 101504, 103090, 108160, 108641, 113984, 115765, 126880, 133712, 142480, 164944, 167140, 185224, 206180, 217282, 227968, 231530, 253760, 267424, 284960, 329888, 334280, 370448, 412360, 434564, 463060, 507520, 534848, 543205, 569920, 659776, 668560, 740896, 824720, 869128, 926120, 1069696, 1086410, 1139840, 1319552, 1337120, 1412333, 1481792, 1649440, 1738256, 1852240, 2172820, 2674240, 2824666, 2963584, 3298880, 3476512, 3704480, 4345640, 5348480, 5649332, 6597760, 6953024, 7061665, 7408960, 8691280, 11298664, 13906048, 14123330, 14817920, 17382560, 22597328, 28246660, 34765120, 45194656, 56493320, 69530240, 90389312, 112986640, 180778624, 225973280, 451946560, 903893120]

約数ペア:

[(1, 903893120), (2, 451946560), (4, 225973280), (5, 180778624), (8, 112986640), (10, 90389312), (13, 69530240), (16, 56493320), (20, 45194656), (26, 34765120), (32, 28246660), (40, 22597328), (52, 17382560), (61, 14817920), (64, 14123330), (65, 13906048), (80, 11298664), (104, 8691280), (122, 7408960), (128, 7061665), (130, 6953024), (137, 6597760), (160, 5649332), (169, 5348480), (208, 4345640), (244, 3704480), (260, 3476512), (274, 3298880), (305, 2963584), (320, 2824666), (338, 2674240), (416, 2172820), (488, 1852240), (520, 1738256), (548, 1649440), (610, 1481792), (640, 1412333), (676, 1337120), (685, 1319552), (793, 1139840), (832, 1086410), (845, 1069696), (976, 926120), (1040, 869128), (1096, 824720), (1220, 740896), (1352, 668560), (1370, 659776), (1586, 569920), (1664, 543205), (1690, 534848), (1781, 507520), (1952, 463060), (2080, 434564), (2192, 412360), (2440, 370448), (2704, 334280), (2740, 329888), (3172, 284960), (3380, 267424), (3562, 253760), (3904, 231530), (3965, 227968), (4160, 217282), (4384, 206180), (4880, 185224), (5408, 167140), (5480, 164944), (6344, 142480), (6760, 133712), (7124, 126880), (7808, 115765), (7930, 113984), (8320, 108641), (8357, 108160), (8768, 103090), (8905, 101504), (9760, 92612), (10309, 87680), (10816, 83570), (10960, 82472), (12688, 71240), (13520, 66856), (14248, 63440), (15860, 56992), (16714, 54080), (17536, 51545), (17810, 50752), (19520, 46306), (20618, 43840), (21632, 41785), (21920, 41236), (23153, 39040), (25376, 35620), (27040, 33428), (28496, 31720)]