172513880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{709}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 490752000

約数和(自身を除く): 318238120

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 79, 88, 110, 140, 154, 158, 220, 280, 308, 316, 385, 395, 440, 553, 616, 632, 709, 770, 790, 869, 1106, 1418, 1540, 1580, 1738, 2212, 2765, 2836, 3080, 3160, 3476, 3545, 4345, 4424, 4963, 5530, 5672, 6083, 6952, 7090, 7799, 8690, 9926, 11060, 12166, 14180, 15598, 17380, 19852, 22120, 24332, 24815, 28360, 30415, 31196, 34760, 38995, 39704, 48664, 49630, 54593, 56011, 60830, 62392, 77990, 99260, 109186, 112022, 121660, 155980, 198520, 218372, 224044, 243320, 272965, 280055, 311960, 392077, 436744, 448088, 545930, 560110, 616121, 784154, 1091860, 1120220, 1232242, 1568308, 1960385, 2183720, 2240440, 2464484, 3080605, 3136616, 3920770, 4312847, 4928968, 6161210, 7841540, 8625694, 12322420, 15683080, 17251388, 21564235, 24644840, 34502776, 43128470, 86256940, 172513880]

約数ペア:

[(1, 172513880), (2, 86256940), (4, 43128470), (5, 34502776), (7, 24644840), (8, 21564235), (10, 17251388), (11, 15683080), (14, 12322420), (20, 8625694), (22, 7841540), (28, 6161210), (35, 4928968), (40, 4312847), (44, 3920770), (55, 3136616), (56, 3080605), (70, 2464484), (77, 2240440), (79, 2183720), (88, 1960385), (110, 1568308), (140, 1232242), (154, 1120220), (158, 1091860), (220, 784154), (280, 616121), (308, 560110), (316, 545930), (385, 448088), (395, 436744), (440, 392077), (553, 311960), (616, 280055), (632, 272965), (709, 243320), (770, 224044), (790, 218372), (869, 198520), (1106, 155980), (1418, 121660), (1540, 112022), (1580, 109186), (1738, 99260), (2212, 77990), (2765, 62392), (2836, 60830), (3080, 56011), (3160, 54593), (3476, 49630), (3545, 48664), (4345, 39704), (4424, 38995), (4963, 34760), (5530, 31196), (5672, 30415), (6083, 28360), (6952, 24815), (7090, 24332), (7799, 22120), (8690, 19852), (9926, 17380), (11060, 15598), (12166, 14180)]