71657740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 192

約数和(自身を含む): 206438400

約数和(自身を除く): 134780660

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 44, 55, 62, 70, 76, 77, 79, 95, 110, 124, 133, 140, 154, 155, 158, 190, 209, 217, 220, 266, 308, 310, 316, 341, 380, 385, 395, 418, 434, 532, 553, 589, 620, 665, 682, 770, 790, 836, 868, 869, 1045, 1085, 1106, 1178, 1330, 1364, 1463, 1501, 1540, 1580, 1705, 1738, 2090, 2170, 2212, 2356, 2387, 2449, 2660, 2765, 2926, 2945, 3002, 3410, 3476, 4123, 4180, 4340, 4345, 4774, 4898, 5530, 5852, 5890, 6004, 6083, 6479, 6820, 7315, 7505, 8246, 8690, 9548, 9796, 10507, 11060, 11780, 11935, 12166, 12245, 12958, 14630, 15010, 16492, 16511, 17143, 17380, 20615, 21014, 23870, 24332, 24490, 25916, 26939, 29260, 30020, 30415, 32395, 33022, 34286, 41230, 42028, 45353, 46531, 47740, 48980, 52535, 53878, 60830, 64790, 66044, 68572, 82460, 82555, 85715, 90706, 93062, 105070, 107756, 115577, 121660, 129580, 134695, 165110, 171430, 181412, 186124, 188573, 210140, 226765, 231154, 232655, 269390, 325717, 330220, 342860, 377146, 453530, 462308, 465310, 511841, 538780, 577885, 651434, 754292, 907060, 930620, 942865, 1023682, 1155770, 1302868, 1628585, 1885730, 2047364, 2311540, 2559205, 3257170, 3582887, 3771460, 5118410, 6514340, 7165774, 10236820, 14331548, 17914435, 35828870, 71657740]

約数ペア:

[(1, 71657740), (2, 35828870), (4, 17914435), (5, 14331548), (7, 10236820), (10, 7165774), (11, 6514340), (14, 5118410), (19, 3771460), (20, 3582887), (22, 3257170), (28, 2559205), (31, 2311540), (35, 2047364), (38, 1885730), (44, 1628585), (55, 1302868), (62, 1155770), (70, 1023682), (76, 942865), (77, 930620), (79, 907060), (95, 754292), (110, 651434), (124, 577885), (133, 538780), (140, 511841), (154, 465310), (155, 462308), (158, 453530), (190, 377146), (209, 342860), (217, 330220), (220, 325717), (266, 269390), (308, 232655), (310, 231154), (316, 226765), (341, 210140), (380, 188573), (385, 186124), (395, 181412), (418, 171430), (434, 165110), (532, 134695), (553, 129580), (589, 121660), (620, 115577), (665, 107756), (682, 105070), (770, 93062), (790, 90706), (836, 85715), (868, 82555), (869, 82460), (1045, 68572), (1085, 66044), (1106, 64790), (1178, 60830), (1330, 53878), (1364, 52535), (1463, 48980), (1501, 47740), (1540, 46531), (1580, 45353), (1705, 42028), (1738, 41230), (2090, 34286), (2170, 33022), (2212, 32395), (2356, 30415), (2387, 30020), (2449, 29260), (2660, 26939), (2765, 25916), (2926, 24490), (2945, 24332), (3002, 23870), (3410, 21014), (3476, 20615), (4123, 17380), (4180, 17143), (4340, 16511), (4345, 16492), (4774, 15010), (4898, 14630), (5530, 12958), (5852, 12245), (5890, 12166), (6004, 11935), (6083, 11780), (6479, 11060), (6820, 10507), (7315, 9796), (7505, 9548), (8246, 8690)]