2170985180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:329

約数の個数: 288

約数和(自身を含む): 6177669120

約数和(自身を除く): 4006683940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 23, 26, 28, 31, 35, 46, 49, 52, 62, 65, 70, 91, 92, 98, 115, 124, 130, 140, 155, 161, 182, 196, 217, 230, 239, 245, 260, 299, 310, 322, 364, 403, 434, 455, 460, 478, 490, 598, 620, 637, 644, 713, 805, 806, 868, 910, 956, 980, 1085, 1127, 1195, 1196, 1274, 1426, 1495, 1519, 1610, 1612, 1673, 1820, 2015, 2093, 2170, 2254, 2390, 2548, 2821, 2852, 2990, 3038, 3107, 3185, 3220, 3346, 3565, 4030, 4186, 4340, 4508, 4780, 4991, 5497, 5635, 5642, 5980, 6076, 6214, 6370, 6692, 7130, 7409, 7595, 8060, 8365, 8372, 9269, 9982, 10465, 10994, 11270, 11284, 11711, 12428, 12740, 14105, 14260, 14651, 14818, 15190, 15535, 16730, 18538, 19747, 19964, 20930, 21749, 21988, 22540, 23422, 24955, 27485, 28210, 29302, 29636, 30380, 31070, 33460, 34937, 37045, 37076, 38479, 39494, 41860, 43498, 46345, 46844, 49910, 51863, 54970, 56420, 58555, 58604, 62140, 64883, 69874, 71461, 73255, 74090, 76958, 78988, 86996, 92690, 96317, 98735, 99820, 103726, 108745, 109940, 117110, 129766, 139748, 142922, 146510, 148180, 152243, 153916, 170407, 174685, 185380, 192395, 192634, 197470, 207452, 217490, 234220, 259315, 259532, 269353, 285844, 293020, 304486, 324415, 340814, 349370, 357305, 363041, 384790, 385268, 394940, 434980, 454181, 481585, 500227, 518630, 538706, 608972, 648830, 674219, 681628, 698740, 714610, 726082, 761215, 769580, 852035, 908362, 963170, 1000454, 1037260, 1077412, 1192849, 1297660, 1346765, 1348438, 1429220, 1452164, 1522430, 1704070, 1815205, 1816724, 1926340, 2000908, 2215291, 2270905, 2385698, 2501135, 2693530, 2696876, 3044860, 3371095, 3408140, 3501589, 3630410, 4430582, 4541810, 4719533, 4771396, 5002270, 5387060, 5964245, 6742190, 7003178, 7260820, 8349943, 8861164, 9083620, 9439066, 10004540, 11076455, 11928490, 13484380, 14006356, 15507037, 16699886, 17507945, 18878132, 22152910, 23597665, 23856980, 31014074, 33399772, 35015890, 41749715, 44305820, 47195330, 62028148, 70031780, 77535185, 83499430, 94390660, 108549259, 155070370, 166998860, 217098518, 310140740, 434197036, 542746295, 1085492590, 2170985180]

約数ペア:

[(1, 2170985180), (2, 1085492590), (4, 542746295), (5, 434197036), (7, 310140740), (10, 217098518), (13, 166998860), (14, 155070370), (20, 108549259), (23, 94390660), (26, 83499430), (28, 77535185), (31, 70031780), (35, 62028148), (46, 47195330), (49, 44305820), (52, 41749715), (62, 35015890), (65, 33399772), (70, 31014074), (91, 23856980), (92, 23597665), (98, 22152910), (115, 18878132), (124, 17507945), (130, 16699886), (140, 15507037), (155, 14006356), (161, 13484380), (182, 11928490), (196, 11076455), (217, 10004540), (230, 9439066), (239, 9083620), (245, 8861164), (260, 8349943), (299, 7260820), (310, 7003178), (322, 6742190), (364, 5964245), (403, 5387060), (434, 5002270), (455, 4771396), (460, 4719533), (478, 4541810), (490, 4430582), (598, 3630410), (620, 3501589), (637, 3408140), (644, 3371095), (713, 3044860), (805, 2696876), (806, 2693530), (868, 2501135), (910, 2385698), (956, 2270905), (980, 2215291), (1085, 2000908), (1127, 1926340), (1195, 1816724), (1196, 1815205), (1274, 1704070), (1426, 1522430), (1495, 1452164), (1519, 1429220), (1610, 1348438), (1612, 1346765), (1673, 1297660), (1820, 1192849), (2015, 1077412), (2093, 1037260), (2170, 1000454), (2254, 963170), (2390, 908362), (2548, 852035), (2821, 769580), (2852, 761215), (2990, 726082), (3038, 714610), (3107, 698740), (3185, 681628), (3220, 674219), (3346, 648830), (3565, 608972), (4030, 538706), (4186, 518630), (4340, 500227), (4508, 481585), (4780, 454181), (4991, 434980), (5497, 394940), (5635, 385268), (5642, 384790), (5980, 363041), (6076, 357305), (6214, 349370), (6370, 340814), (6692, 324415), (7130, 304486), (7409, 293020), (7595, 285844), (8060, 269353), (8365, 259532), (8372, 259315), (9269, 234220), (9982, 217490), (10465, 207452), (10994, 197470), (11270, 192634), (11284, 192395), (11711, 185380), (12428, 174685), (12740, 170407), (14105, 153916), (14260, 152243), (14651, 148180), (14818, 146510), (15190, 142922), (15535, 139748), (16730, 129766), (18538, 117110), (19747, 109940), (19964, 108745), (20930, 103726), (21749, 99820), (21988, 98735), (22540, 96317), (23422, 92690), (24955, 86996), (27485, 78988), (28210, 76958), (29302, 74090), (29636, 73255), (30380, 71461), (31070, 69874), (33460, 64883), (34937, 62140), (37045, 58604), (37076, 58555), (38479, 56420), (39494, 54970), (41860, 51863), (43498, 49910), (46345, 46844)]