72367960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 128

約数和(自身を含む): 199987200

約数和(自身を除く): 127619240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 61, 70, 76, 95, 122, 133, 140, 152, 190, 223, 244, 266, 280, 305, 380, 427, 446, 488, 532, 610, 665, 760, 854, 892, 1064, 1115, 1159, 1220, 1330, 1561, 1708, 1784, 2135, 2230, 2318, 2440, 2660, 3122, 3416, 4237, 4270, 4460, 4636, 5320, 5795, 6244, 7805, 8113, 8474, 8540, 8920, 9272, 11590, 12488, 13603, 15610, 16226, 16948, 17080, 21185, 23180, 27206, 29659, 31220, 32452, 33896, 40565, 42370, 46360, 54412, 59318, 62440, 64904, 68015, 81130, 84740, 95221, 108824, 118636, 136030, 148295, 162260, 169480, 190442, 237272, 258457, 272060, 296590, 324520, 380884, 476105, 516914, 544120, 593180, 761768, 952210, 1033828, 1186360, 1292285, 1809199, 1904420, 2067656, 2584570, 3618398, 3808840, 5169140, 7236796, 9045995, 10338280, 14473592, 18091990, 36183980, 72367960]

約数ペア:

[(1, 72367960), (2, 36183980), (4, 18091990), (5, 14473592), (7, 10338280), (8, 9045995), (10, 7236796), (14, 5169140), (19, 3808840), (20, 3618398), (28, 2584570), (35, 2067656), (38, 1904420), (40, 1809199), (56, 1292285), (61, 1186360), (70, 1033828), (76, 952210), (95, 761768), (122, 593180), (133, 544120), (140, 516914), (152, 476105), (190, 380884), (223, 324520), (244, 296590), (266, 272060), (280, 258457), (305, 237272), (380, 190442), (427, 169480), (446, 162260), (488, 148295), (532, 136030), (610, 118636), (665, 108824), (760, 95221), (854, 84740), (892, 81130), (1064, 68015), (1115, 64904), (1159, 62440), (1220, 59318), (1330, 54412), (1561, 46360), (1708, 42370), (1784, 40565), (2135, 33896), (2230, 32452), (2318, 31220), (2440, 29659), (2660, 27206), (3122, 23180), (3416, 21185), (4237, 17080), (4270, 16948), (4460, 16226), (4636, 15610), (5320, 13603), (5795, 12488), (6244, 11590), (7805, 9272), (8113, 8920), (8474, 8540)]