991903360

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:359

約数の個数: 256

約数和(自身を含む): 2929766400

約数和(自身を除く): 1937863040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 43, 56, 64, 70, 76, 80, 86, 95, 112, 128, 133, 140, 152, 160, 172, 190, 215, 224, 266, 271, 280, 301, 304, 320, 344, 380, 430, 448, 532, 542, 560, 602, 608, 640, 665, 688, 760, 817, 860, 896, 1064, 1084, 1120, 1204, 1216, 1330, 1355, 1376, 1505, 1520, 1634, 1720, 1897, 2128, 2168, 2240, 2408, 2432, 2660, 2710, 2752, 3010, 3040, 3268, 3440, 3794, 4085, 4256, 4336, 4480, 4816, 5149, 5320, 5420, 5504, 5719, 6020, 6080, 6536, 6880, 7588, 8170, 8512, 8672, 9485, 9632, 10298, 10640, 10840, 11438, 11653, 12040, 12160, 13072, 13760, 15176, 16340, 17024, 17344, 18970, 19264, 20596, 21280, 21680, 22876, 23306, 24080, 25745, 26144, 27520, 28595, 30352, 32680, 34688, 36043, 37940, 38528, 41192, 42560, 43360, 45752, 46612, 48160, 51490, 52288, 57190, 58265, 60704, 65360, 72086, 75880, 81571, 82384, 85120, 86720, 91504, 93224, 96320, 102980, 104576, 114380, 116530, 121408, 130720, 144172, 151760, 163142, 164768, 173440, 180215, 183008, 186448, 192640, 205960, 221407, 228760, 233060, 242816, 261440, 288344, 303520, 326284, 329536, 360430, 366016, 372896, 407855, 411920, 442814, 457520, 466120, 522880, 576688, 607040, 652568, 659072, 720860, 732032, 745792, 815710, 823840, 885628, 915040, 932240, 1107035, 1153376, 1214080, 1305136, 1441720, 1491584, 1549849, 1631420, 1647680, 1771256, 1830080, 1864480, 2214070, 2306752, 2610272, 2883440, 3099698, 3262840, 3295360, 3542512, 3660160, 3728960, 4428140, 4613504, 5220544, 5766880, 6199396, 6525680, 7085024, 7457920, 7749245, 8856280, 10441088, 11533760, 12398792, 13051360, 14170048, 15498490, 17712560, 23067520, 24797584, 26102720, 28340096, 30996980, 35425120, 49595168, 52205440, 61993960, 70850240, 99190336, 123987920, 141700480, 198380672, 247975840, 495951680, 991903360]

約数ペア:

[(1, 991903360), (2, 495951680), (4, 247975840), (5, 198380672), (7, 141700480), (8, 123987920), (10, 99190336), (14, 70850240), (16, 61993960), (19, 52205440), (20, 49595168), (28, 35425120), (32, 30996980), (35, 28340096), (38, 26102720), (40, 24797584), (43, 23067520), (56, 17712560), (64, 15498490), (70, 14170048), (76, 13051360), (80, 12398792), (86, 11533760), (95, 10441088), (112, 8856280), (128, 7749245), (133, 7457920), (140, 7085024), (152, 6525680), (160, 6199396), (172, 5766880), (190, 5220544), (215, 4613504), (224, 4428140), (266, 3728960), (271, 3660160), (280, 3542512), (301, 3295360), (304, 3262840), (320, 3099698), (344, 2883440), (380, 2610272), (430, 2306752), (448, 2214070), (532, 1864480), (542, 1830080), (560, 1771256), (602, 1647680), (608, 1631420), (640, 1549849), (665, 1491584), (688, 1441720), (760, 1305136), (817, 1214080), (860, 1153376), (896, 1107035), (1064, 932240), (1084, 915040), (1120, 885628), (1204, 823840), (1216, 815710), (1330, 745792), (1355, 732032), (1376, 720860), (1505, 659072), (1520, 652568), (1634, 607040), (1720, 576688), (1897, 522880), (2128, 466120), (2168, 457520), (2240, 442814), (2408, 411920), (2432, 407855), (2660, 372896), (2710, 366016), (2752, 360430), (3010, 329536), (3040, 326284), (3268, 303520), (3440, 288344), (3794, 261440), (4085, 242816), (4256, 233060), (4336, 228760), (4480, 221407), (4816, 205960), (5149, 192640), (5320, 186448), (5420, 183008), (5504, 180215), (5719, 173440), (6020, 164768), (6080, 163142), (6536, 151760), (6880, 144172), (7588, 130720), (8170, 121408), (8512, 116530), (8672, 114380), (9485, 104576), (9632, 102980), (10298, 96320), (10640, 93224), (10840, 91504), (11438, 86720), (11653, 85120), (12040, 82384), (12160, 81571), (13072, 75880), (13760, 72086), (15176, 65360), (16340, 60704), (17024, 58265), (17344, 57190), (18970, 52288), (19264, 51490), (20596, 48160), (21280, 46612), (21680, 45752), (22876, 43360), (23306, 42560), (24080, 41192), (25745, 38528), (26144, 37940), (27520, 36043), (28595, 34688), (30352, 32680)]