87758720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1031}}^1$

素因数の和:1076

約数の個数: 128

約数和(自身を含む): 252633600

約数和(自身を除く): 164874880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1031, 1064, 1120, 1216, 1330, 1520, 2062, 2128, 2240, 2432, 2660, 3040, 4124, 4256, 4480, 5155, 5320, 6080, 7217, 8248, 8512, 10310, 10640, 12160, 14434, 16496, 17024, 19589, 20620, 21280, 28868, 32992, 36085, 39178, 41240, 42560, 57736, 65984, 72170, 78356, 82480, 85120, 97945, 115472, 131968, 137123, 144340, 156712, 164960, 195890, 230944, 274246, 288680, 313424, 329920, 391780, 461888, 548492, 577360, 626848, 659840, 685615, 783560, 923776, 1096984, 1154720, 1253696, 1371230, 1567120, 2193968, 2309440, 2507392, 2742460, 3134240, 4387936, 4618880, 5484920, 6268480, 8775872, 10969840, 12536960, 17551744, 21939680, 43879360, 87758720]

約数ペア:

[(1, 87758720), (2, 43879360), (4, 21939680), (5, 17551744), (7, 12536960), (8, 10969840), (10, 8775872), (14, 6268480), (16, 5484920), (19, 4618880), (20, 4387936), (28, 3134240), (32, 2742460), (35, 2507392), (38, 2309440), (40, 2193968), (56, 1567120), (64, 1371230), (70, 1253696), (76, 1154720), (80, 1096984), (95, 923776), (112, 783560), (128, 685615), (133, 659840), (140, 626848), (152, 577360), (160, 548492), (190, 461888), (224, 391780), (266, 329920), (280, 313424), (304, 288680), (320, 274246), (380, 230944), (448, 195890), (532, 164960), (560, 156712), (608, 144340), (640, 137123), (665, 131968), (760, 115472), (896, 97945), (1031, 85120), (1064, 82480), (1120, 78356), (1216, 72170), (1330, 65984), (1520, 57736), (2062, 42560), (2128, 41240), (2240, 39178), (2432, 36085), (2660, 32992), (3040, 28868), (4124, 21280), (4256, 20620), (4480, 19589), (5155, 17024), (5320, 16496), (6080, 14434), (7217, 12160), (8248, 10640), (8512, 10310)]