131611480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:234

約数の個数: 256

約数和(自身を含む): 420940800

約数和(自身を除く): 289329320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 40, 44, 52, 55, 56, 65, 70, 76, 77, 88, 91, 95, 104, 110, 130, 133, 140, 143, 152, 154, 173, 182, 190, 209, 220, 247, 260, 266, 280, 286, 308, 346, 364, 380, 385, 418, 440, 455, 494, 520, 532, 572, 616, 665, 692, 715, 728, 760, 770, 836, 865, 910, 988, 1001, 1045, 1064, 1144, 1211, 1235, 1330, 1384, 1430, 1463, 1540, 1672, 1729, 1730, 1820, 1903, 1976, 2002, 2090, 2249, 2422, 2470, 2660, 2717, 2860, 2926, 3080, 3287, 3458, 3460, 3640, 3806, 4004, 4180, 4498, 4844, 4940, 5005, 5320, 5434, 5720, 5852, 6055, 6574, 6916, 6920, 7315, 7612, 8008, 8360, 8645, 8996, 9515, 9688, 9880, 10010, 10868, 11245, 11704, 12110, 13148, 13321, 13585, 13832, 14630, 15224, 15743, 16435, 17290, 17992, 19019, 19030, 20020, 21736, 22490, 23009, 24220, 24739, 26296, 26642, 27170, 29260, 31486, 32870, 34580, 36157, 38038, 38060, 40040, 42731, 44980, 46018, 48440, 49478, 53284, 54340, 58520, 62972, 65740, 66605, 69160, 72314, 76076, 76120, 78715, 85462, 89960, 92036, 95095, 98956, 106568, 108680, 115045, 123695, 125944, 131480, 133210, 144628, 152152, 157430, 170924, 173173, 180785, 184072, 190190, 197912, 213655, 230090, 247390, 253099, 266420, 289256, 299117, 314860, 341848, 346346, 361570, 380380, 427310, 460180, 470041, 494780, 506198, 532840, 598234, 629720, 692692, 723140, 760760, 854620, 865865, 920360, 940082, 989560, 1012396, 1196468, 1265495, 1385384, 1446280, 1495585, 1709240, 1731730, 1880164, 2024792, 2350205, 2392936, 2530990, 2991170, 3290287, 3463460, 3760328, 4700410, 5061980, 5982340, 6580574, 6926920, 9400820, 10123960, 11964680, 13161148, 16451435, 18801640, 26322296, 32902870, 65805740, 131611480]

約数ペア:

[(1, 131611480), (2, 65805740), (4, 32902870), (5, 26322296), (7, 18801640), (8, 16451435), (10, 13161148), (11, 11964680), (13, 10123960), (14, 9400820), (19, 6926920), (20, 6580574), (22, 5982340), (26, 5061980), (28, 4700410), (35, 3760328), (38, 3463460), (40, 3290287), (44, 2991170), (52, 2530990), (55, 2392936), (56, 2350205), (65, 2024792), (70, 1880164), (76, 1731730), (77, 1709240), (88, 1495585), (91, 1446280), (95, 1385384), (104, 1265495), (110, 1196468), (130, 1012396), (133, 989560), (140, 940082), (143, 920360), (152, 865865), (154, 854620), (173, 760760), (182, 723140), (190, 692692), (209, 629720), (220, 598234), (247, 532840), (260, 506198), (266, 494780), (280, 470041), (286, 460180), (308, 427310), (346, 380380), (364, 361570), (380, 346346), (385, 341848), (418, 314860), (440, 299117), (455, 289256), (494, 266420), (520, 253099), (532, 247390), (572, 230090), (616, 213655), (665, 197912), (692, 190190), (715, 184072), (728, 180785), (760, 173173), (770, 170924), (836, 157430), (865, 152152), (910, 144628), (988, 133210), (1001, 131480), (1045, 125944), (1064, 123695), (1144, 115045), (1211, 108680), (1235, 106568), (1330, 98956), (1384, 95095), (1430, 92036), (1463, 89960), (1540, 85462), (1672, 78715), (1729, 76120), (1730, 76076), (1820, 72314), (1903, 69160), (1976, 66605), (2002, 65740), (2090, 62972), (2249, 58520), (2422, 54340), (2470, 53284), (2660, 49478), (2717, 48440), (2860, 46018), (2926, 44980), (3080, 42731), (3287, 40040), (3458, 38060), (3460, 38038), (3640, 36157), (3806, 34580), (4004, 32870), (4180, 31486), (4498, 29260), (4844, 27170), (4940, 26642), (5005, 26296), (5320, 24739), (5434, 24220), (5720, 23009), (5852, 22490), (6055, 21736), (6574, 20020), (6916, 19030), (6920, 19019), (7315, 17992), (7612, 17290), (8008, 16435), (8360, 15743), (8645, 15224), (8996, 14630), (9515, 13832), (9688, 13585), (9880, 13321), (10010, 13148), (10868, 12110), (11245, 11704)]