79921600

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:291

約数の個数: 168

約数和(自身を含む): 226771200

約数和(自身を除く): 146849600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 25, 32, 38, 40, 44, 50, 55, 64, 76, 80, 88, 95, 100, 110, 152, 160, 176, 190, 200, 209, 220, 239, 275, 304, 320, 352, 380, 400, 418, 440, 475, 478, 550, 608, 704, 760, 800, 836, 880, 950, 956, 1045, 1100, 1195, 1216, 1520, 1600, 1672, 1760, 1900, 1912, 2090, 2200, 2390, 2629, 3040, 3344, 3520, 3800, 3824, 4180, 4400, 4541, 4780, 5225, 5258, 5975, 6080, 6688, 7600, 7648, 8360, 8800, 9082, 9560, 10450, 10516, 11950, 13145, 13376, 15200, 15296, 16720, 17600, 18164, 19120, 20900, 21032, 22705, 23900, 26290, 30400, 33440, 36328, 38240, 41800, 42064, 45410, 47800, 49951, 52580, 65725, 66880, 72656, 76480, 83600, 84128, 90820, 95600, 99902, 105160, 113525, 131450, 145312, 167200, 168256, 181640, 191200, 199804, 210320, 227050, 249755, 262900, 290624, 334400, 363280, 382400, 399608, 420640, 454100, 499510, 525800, 726560, 799216, 841280, 908200, 999020, 1051600, 1248775, 1453120, 1598432, 1816400, 1998040, 2103200, 2497550, 3196864, 3632800, 3996080, 4206400, 4995100, 7265600, 7992160, 9990200, 15984320, 19980400, 39960800, 79921600]

約数ペア:

[(1, 79921600), (2, 39960800), (4, 19980400), (5, 15984320), (8, 9990200), (10, 7992160), (11, 7265600), (16, 4995100), (19, 4206400), (20, 3996080), (22, 3632800), (25, 3196864), (32, 2497550), (38, 2103200), (40, 1998040), (44, 1816400), (50, 1598432), (55, 1453120), (64, 1248775), (76, 1051600), (80, 999020), (88, 908200), (95, 841280), (100, 799216), (110, 726560), (152, 525800), (160, 499510), (176, 454100), (190, 420640), (200, 399608), (209, 382400), (220, 363280), (239, 334400), (275, 290624), (304, 262900), (320, 249755), (352, 227050), (380, 210320), (400, 199804), (418, 191200), (440, 181640), (475, 168256), (478, 167200), (550, 145312), (608, 131450), (704, 113525), (760, 105160), (800, 99902), (836, 95600), (880, 90820), (950, 84128), (956, 83600), (1045, 76480), (1100, 72656), (1195, 66880), (1216, 65725), (1520, 52580), (1600, 49951), (1672, 47800), (1760, 45410), (1900, 42064), (1912, 41800), (2090, 38240), (2200, 36328), (2390, 33440), (2629, 30400), (3040, 26290), (3344, 23900), (3520, 22705), (3800, 21032), (3824, 20900), (4180, 19120), (4400, 18164), (4541, 17600), (4780, 16720), (5225, 15296), (5258, 15200), (5975, 13376), (6080, 13145), (6688, 11950), (7600, 10516), (7648, 10450), (8360, 9560), (8800, 9082)]