20160140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 192

約数和(自身を含む): 60963840

約数和(自身を除く): 40803700

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 52, 53, 55, 65, 70, 76, 77, 91, 95, 106, 110, 130, 133, 140, 143, 154, 182, 190, 209, 212, 220, 247, 260, 265, 266, 286, 308, 364, 371, 380, 385, 418, 455, 494, 530, 532, 572, 583, 665, 689, 715, 742, 770, 836, 910, 988, 1001, 1007, 1045, 1060, 1166, 1235, 1330, 1378, 1430, 1463, 1484, 1540, 1729, 1820, 1855, 2002, 2014, 2090, 2332, 2470, 2660, 2717, 2756, 2860, 2915, 2926, 3445, 3458, 3710, 4004, 4028, 4081, 4180, 4823, 4940, 5005, 5035, 5434, 5830, 5852, 6890, 6916, 7049, 7315, 7420, 7579, 8162, 8645, 9646, 10010, 10070, 10868, 11077, 11660, 13091, 13585, 13780, 14098, 14630, 15158, 16324, 17290, 19019, 19292, 20020, 20140, 20405, 22154, 24115, 26182, 27170, 28196, 29260, 30316, 34580, 35245, 37895, 38038, 40810, 44308, 48230, 52364, 53053, 54340, 55385, 65455, 70490, 75790, 76076, 77539, 81620, 91637, 95095, 96460, 106106, 110770, 130910, 140980, 144001, 151580, 155078, 183274, 190190, 212212, 221540, 261820, 265265, 288002, 310156, 366548, 380380, 387695, 458185, 530530, 576004, 720005, 775390, 916370, 1008007, 1061060, 1440010, 1550780, 1832740, 2016014, 2880020, 4032028, 5040035, 10080070, 20160140]

約数ペア:

[(1, 20160140), (2, 10080070), (4, 5040035), (5, 4032028), (7, 2880020), (10, 2016014), (11, 1832740), (13, 1550780), (14, 1440010), (19, 1061060), (20, 1008007), (22, 916370), (26, 775390), (28, 720005), (35, 576004), (38, 530530), (44, 458185), (52, 387695), (53, 380380), (55, 366548), (65, 310156), (70, 288002), (76, 265265), (77, 261820), (91, 221540), (95, 212212), (106, 190190), (110, 183274), (130, 155078), (133, 151580), (140, 144001), (143, 140980), (154, 130910), (182, 110770), (190, 106106), (209, 96460), (212, 95095), (220, 91637), (247, 81620), (260, 77539), (265, 76076), (266, 75790), (286, 70490), (308, 65455), (364, 55385), (371, 54340), (380, 53053), (385, 52364), (418, 48230), (455, 44308), (494, 40810), (530, 38038), (532, 37895), (572, 35245), (583, 34580), (665, 30316), (689, 29260), (715, 28196), (742, 27170), (770, 26182), (836, 24115), (910, 22154), (988, 20405), (1001, 20140), (1007, 20020), (1045, 19292), (1060, 19019), (1166, 17290), (1235, 16324), (1330, 15158), (1378, 14630), (1430, 14098), (1463, 13780), (1484, 13585), (1540, 13091), (1729, 11660), (1820, 11077), (1855, 10868), (2002, 10070), (2014, 10010), (2090, 9646), (2332, 8645), (2470, 8162), (2660, 7579), (2717, 7420), (2756, 7315), (2860, 7049), (2915, 6916), (2926, 6890), (3445, 5852), (3458, 5830), (3710, 5434), (4004, 5035), (4028, 5005), (4081, 4940), (4180, 4823)]