71611540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:127

約数の個数: 192

約数和(自身を含む): 208857600

約数和(自身を除く): 137246060

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 73, 77, 91, 98, 110, 130, 140, 143, 146, 154, 182, 196, 220, 245, 260, 286, 292, 308, 343, 364, 365, 385, 455, 490, 511, 539, 572, 637, 686, 715, 730, 770, 803, 910, 949, 980, 1001, 1022, 1078, 1274, 1372, 1430, 1460, 1540, 1606, 1715, 1820, 1898, 2002, 2044, 2156, 2548, 2555, 2695, 2860, 3185, 3212, 3430, 3577, 3773, 3796, 4004, 4015, 4459, 4745, 5005, 5110, 5390, 5621, 6370, 6643, 6860, 7007, 7154, 7546, 8030, 8918, 9490, 10010, 10220, 10439, 10780, 11242, 12740, 13286, 14014, 14308, 15092, 16060, 17836, 17885, 18865, 18980, 20020, 20878, 22295, 22484, 25039, 26572, 28028, 28105, 33215, 35035, 35770, 37730, 39347, 41756, 44590, 46501, 49049, 50078, 52195, 56210, 66430, 70070, 71540, 73073, 75460, 78694, 89180, 93002, 98098, 100156, 104390, 112420, 125195, 132860, 140140, 146146, 157388, 186004, 196196, 196735, 208780, 232505, 245245, 250390, 275429, 292292, 325507, 365365, 393470, 465010, 490490, 500780, 511511, 550858, 651014, 730730, 786940, 930020, 980980, 1023022, 1101716, 1302028, 1377145, 1461460, 1627535, 2046044, 2557555, 2754290, 3255070, 3580577, 5115110, 5508580, 6510140, 7161154, 10230220, 14322308, 17902885, 35805770, 71611540]

約数ペア:

[(1, 71611540), (2, 35805770), (4, 17902885), (5, 14322308), (7, 10230220), (10, 7161154), (11, 6510140), (13, 5508580), (14, 5115110), (20, 3580577), (22, 3255070), (26, 2754290), (28, 2557555), (35, 2046044), (44, 1627535), (49, 1461460), (52, 1377145), (55, 1302028), (65, 1101716), (70, 1023022), (73, 980980), (77, 930020), (91, 786940), (98, 730730), (110, 651014), (130, 550858), (140, 511511), (143, 500780), (146, 490490), (154, 465010), (182, 393470), (196, 365365), (220, 325507), (245, 292292), (260, 275429), (286, 250390), (292, 245245), (308, 232505), (343, 208780), (364, 196735), (365, 196196), (385, 186004), (455, 157388), (490, 146146), (511, 140140), (539, 132860), (572, 125195), (637, 112420), (686, 104390), (715, 100156), (730, 98098), (770, 93002), (803, 89180), (910, 78694), (949, 75460), (980, 73073), (1001, 71540), (1022, 70070), (1078, 66430), (1274, 56210), (1372, 52195), (1430, 50078), (1460, 49049), (1540, 46501), (1606, 44590), (1715, 41756), (1820, 39347), (1898, 37730), (2002, 35770), (2044, 35035), (2156, 33215), (2548, 28105), (2555, 28028), (2695, 26572), (2860, 25039), (3185, 22484), (3212, 22295), (3430, 20878), (3577, 20020), (3773, 18980), (3796, 18865), (4004, 17885), (4015, 17836), (4459, 16060), (4745, 15092), (5005, 14308), (5110, 14014), (5390, 13286), (5621, 12740), (6370, 11242), (6643, 10780), (6860, 10439), (7007, 10220), (7154, 10010), (7546, 9490), (8030, 8918)]