140036480

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 361985760

約数和(自身を除く): 221949280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 61, 64, 68, 80, 85, 122, 128, 136, 160, 170, 211, 244, 272, 305, 320, 340, 422, 488, 544, 610, 640, 680, 844, 976, 1037, 1055, 1088, 1220, 1360, 1688, 1952, 2074, 2110, 2176, 2440, 2720, 3376, 3587, 3904, 4148, 4220, 4880, 5185, 5440, 6752, 7174, 7808, 8296, 8440, 9760, 10370, 10880, 12871, 13504, 14348, 16592, 16880, 17935, 19520, 20740, 25742, 27008, 28696, 33184, 33760, 35870, 39040, 41480, 51484, 57392, 64355, 66368, 67520, 71740, 82960, 102968, 114784, 128710, 132736, 135040, 143480, 165920, 205936, 218807, 229568, 257420, 286960, 331840, 411872, 437614, 459136, 514840, 573920, 663680, 823744, 875228, 1029680, 1094035, 1147840, 1647488, 1750456, 2059360, 2188070, 2295680, 3500912, 4118720, 4376140, 7001824, 8237440, 8752280, 14003648, 17504560, 28007296, 35009120, 70018240, 140036480]

約数ペア:

[(1, 140036480), (2, 70018240), (4, 35009120), (5, 28007296), (8, 17504560), (10, 14003648), (16, 8752280), (17, 8237440), (20, 7001824), (32, 4376140), (34, 4118720), (40, 3500912), (61, 2295680), (64, 2188070), (68, 2059360), (80, 1750456), (85, 1647488), (122, 1147840), (128, 1094035), (136, 1029680), (160, 875228), (170, 823744), (211, 663680), (244, 573920), (272, 514840), (305, 459136), (320, 437614), (340, 411872), (422, 331840), (488, 286960), (544, 257420), (610, 229568), (640, 218807), (680, 205936), (844, 165920), (976, 143480), (1037, 135040), (1055, 132736), (1088, 128710), (1220, 114784), (1360, 102968), (1688, 82960), (1952, 71740), (2074, 67520), (2110, 66368), (2176, 64355), (2440, 57392), (2720, 51484), (3376, 41480), (3587, 39040), (3904, 35870), (4148, 33760), (4220, 33184), (4880, 28696), (5185, 27008), (5440, 25742), (6752, 20740), (7174, 19520), (7808, 17935), (8296, 16880), (8440, 16592), (9760, 14348), (10370, 13504), (10880, 12871)]