81702660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 268128000

約数和(自身を除く): 186425340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 37, 38, 39, 52, 57, 60, 65, 74, 76, 78, 95, 111, 114, 130, 148, 149, 156, 185, 190, 195, 222, 228, 247, 260, 285, 298, 370, 380, 390, 444, 447, 481, 494, 555, 570, 596, 703, 740, 741, 745, 780, 894, 962, 988, 1110, 1140, 1235, 1406, 1443, 1482, 1490, 1788, 1924, 1937, 2109, 2220, 2235, 2405, 2470, 2812, 2831, 2886, 2964, 2980, 3515, 3705, 3874, 4218, 4470, 4810, 4940, 5513, 5662, 5772, 5811, 7030, 7215, 7410, 7748, 8436, 8493, 8940, 9139, 9620, 9685, 10545, 11026, 11324, 11622, 14060, 14155, 14430, 14820, 16539, 16986, 18278, 19370, 21090, 22052, 23244, 27417, 27565, 28310, 28860, 29055, 33078, 33972, 36556, 36803, 38740, 42180, 42465, 45695, 54834, 55130, 56620, 58110, 66156, 71669, 73606, 82695, 84930, 91390, 104747, 109668, 110260, 110409, 116220, 137085, 143338, 147212, 165390, 169860, 182780, 184015, 209494, 215007, 220818, 274170, 286676, 314241, 330780, 358345, 368030, 418988, 430014, 441636, 523735, 548340, 552045, 628482, 716690, 736060, 860028, 1047470, 1075035, 1104090, 1256964, 1361711, 1433380, 1571205, 2094940, 2150070, 2208180, 2723422, 3142410, 4085133, 4300140, 5446844, 6284820, 6808555, 8170266, 13617110, 16340532, 20425665, 27234220, 40851330, 81702660]

約数ペア:

[(1, 81702660), (2, 40851330), (3, 27234220), (4, 20425665), (5, 16340532), (6, 13617110), (10, 8170266), (12, 6808555), (13, 6284820), (15, 5446844), (19, 4300140), (20, 4085133), (26, 3142410), (30, 2723422), (37, 2208180), (38, 2150070), (39, 2094940), (52, 1571205), (57, 1433380), (60, 1361711), (65, 1256964), (74, 1104090), (76, 1075035), (78, 1047470), (95, 860028), (111, 736060), (114, 716690), (130, 628482), (148, 552045), (149, 548340), (156, 523735), (185, 441636), (190, 430014), (195, 418988), (222, 368030), (228, 358345), (247, 330780), (260, 314241), (285, 286676), (298, 274170), (370, 220818), (380, 215007), (390, 209494), (444, 184015), (447, 182780), (481, 169860), (494, 165390), (555, 147212), (570, 143338), (596, 137085), (703, 116220), (740, 110409), (741, 110260), (745, 109668), (780, 104747), (894, 91390), (962, 84930), (988, 82695), (1110, 73606), (1140, 71669), (1235, 66156), (1406, 58110), (1443, 56620), (1482, 55130), (1490, 54834), (1788, 45695), (1924, 42465), (1937, 42180), (2109, 38740), (2220, 36803), (2235, 36556), (2405, 33972), (2470, 33078), (2812, 29055), (2831, 28860), (2886, 28310), (2964, 27565), (2980, 27417), (3515, 23244), (3705, 22052), (3874, 21090), (4218, 19370), (4470, 18278), (4810, 16986), (4940, 16539), (5513, 14820), (5662, 14430), (5772, 14155), (5811, 14060), (7030, 11622), (7215, 11324), (7410, 11026), (7748, 10545), (8436, 9685), (8493, 9620), (8940, 9139)]