78243900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 284981760

約数和(自身を除く): 206737860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 25, 28, 30, 35, 37, 38, 42, 50, 53, 57, 60, 70, 74, 75, 76, 84, 95, 100, 105, 106, 111, 114, 133, 140, 148, 150, 159, 175, 185, 190, 210, 212, 222, 228, 259, 265, 266, 285, 300, 318, 350, 370, 371, 380, 399, 420, 444, 475, 518, 525, 530, 532, 555, 570, 636, 665, 700, 703, 740, 742, 777, 795, 798, 925, 950, 1007, 1036, 1050, 1060, 1110, 1113, 1140, 1295, 1325, 1330, 1406, 1425, 1484, 1554, 1590, 1596, 1850, 1855, 1900, 1961, 1995, 2014, 2100, 2109, 2220, 2226, 2590, 2650, 2660, 2775, 2812, 2850, 3021, 3108, 3180, 3325, 3515, 3700, 3710, 3885, 3922, 3975, 3990, 4028, 4218, 4452, 4921, 5035, 5180, 5300, 5550, 5565, 5700, 5883, 6042, 6475, 6650, 7030, 7049, 7420, 7770, 7844, 7950, 7980, 8436, 9275, 9805, 9842, 9975, 10070, 10545, 11100, 11130, 11766, 12084, 12950, 13300, 13727, 14060, 14098, 14763, 15105, 15540, 15900, 17575, 18550, 19425, 19610, 19684, 19950, 20140, 21090, 21147, 22260, 23532, 24605, 25175, 25900, 27454, 27825, 28196, 29415, 29526, 30210, 35150, 35245, 37100, 37259, 38850, 39220, 39900, 41181, 42180, 42294, 49025, 49210, 50350, 52725, 54908, 55650, 58830, 59052, 60420, 68635, 70300, 70490, 73815, 74518, 75525, 77700, 82362, 84588, 98050, 98420, 100700, 105450, 105735, 111300, 111777, 117660, 123025, 137270, 140980, 147075, 147630, 149036, 151050, 164724, 176225, 186295, 196100, 205905, 210900, 211470, 223554, 246050, 260813, 274540, 294150, 295260, 302100, 343175, 352450, 369075, 372590, 411810, 422940, 447108, 492100, 521626, 528675, 558885, 588300, 686350, 704900, 738150, 745180, 782439, 823620, 931475, 1029525, 1043252, 1057350, 1117770, 1304065, 1372700, 1476300, 1564878, 1862950, 2059050, 2114700, 2235540, 2608130, 2794425, 3129756, 3725900, 3912195, 4118100, 5216260, 5588850, 6520325, 7824390, 11177700, 13040650, 15648780, 19560975, 26081300, 39121950, 78243900]

約数ペア:

[(1, 78243900), (2, 39121950), (3, 26081300), (4, 19560975), (5, 15648780), (6, 13040650), (7, 11177700), (10, 7824390), (12, 6520325), (14, 5588850), (15, 5216260), (19, 4118100), (20, 3912195), (21, 3725900), (25, 3129756), (28, 2794425), (30, 2608130), (35, 2235540), (37, 2114700), (38, 2059050), (42, 1862950), (50, 1564878), (53, 1476300), (57, 1372700), (60, 1304065), (70, 1117770), (74, 1057350), (75, 1043252), (76, 1029525), (84, 931475), (95, 823620), (100, 782439), (105, 745180), (106, 738150), (111, 704900), (114, 686350), (133, 588300), (140, 558885), (148, 528675), (150, 521626), (159, 492100), (175, 447108), (185, 422940), (190, 411810), (210, 372590), (212, 369075), (222, 352450), (228, 343175), (259, 302100), (265, 295260), (266, 294150), (285, 274540), (300, 260813), (318, 246050), (350, 223554), (370, 211470), (371, 210900), (380, 205905), (399, 196100), (420, 186295), (444, 176225), (475, 164724), (518, 151050), (525, 149036), (530, 147630), (532, 147075), (555, 140980), (570, 137270), (636, 123025), (665, 117660), (700, 111777), (703, 111300), (740, 105735), (742, 105450), (777, 100700), (795, 98420), (798, 98050), (925, 84588), (950, 82362), (1007, 77700), (1036, 75525), (1050, 74518), (1060, 73815), (1110, 70490), (1113, 70300), (1140, 68635), (1295, 60420), (1325, 59052), (1330, 58830), (1406, 55650), (1425, 54908), (1484, 52725), (1554, 50350), (1590, 49210), (1596, 49025), (1850, 42294), (1855, 42180), (1900, 41181), (1961, 39900), (1995, 39220), (2014, 38850), (2100, 37259), (2109, 37100), (2220, 35245), (2226, 35150), (2590, 30210), (2650, 29526), (2660, 29415), (2775, 28196), (2812, 27825), (2850, 27454), (3021, 25900), (3108, 25175), (3180, 24605), (3325, 23532), (3515, 22260), (3700, 21147), (3710, 21090), (3885, 20140), (3922, 19950), (3975, 19684), (3990, 19610), (4028, 19425), (4218, 18550), (4452, 17575), (4921, 15900), (5035, 15540), (5180, 15105), (5300, 14763), (5550, 14098), (5565, 14060), (5700, 13727), (5883, 13300), (6042, 12950), (6475, 12084), (6650, 11766), (7030, 11130), (7049, 11100), (7420, 10545), (7770, 10070), (7844, 9975), (7950, 9842), (7980, 9805), (8436, 9275)]