1998726240

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{619}}^1$

素因数の和:706

約数の個数: 288

約数和(自身を含む): 7447023360

約数和(自身を除く): 5448297120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 56, 60, 62, 70, 80, 84, 93, 96, 105, 112, 120, 124, 140, 155, 160, 168, 186, 210, 217, 224, 240, 248, 280, 310, 336, 372, 420, 434, 465, 480, 496, 560, 619, 620, 651, 672, 744, 840, 868, 930, 961, 992, 1085, 1120, 1238, 1240, 1302, 1488, 1680, 1736, 1857, 1860, 1922, 2170, 2476, 2480, 2604, 2883, 2976, 3095, 3255, 3360, 3472, 3714, 3720, 3844, 4333, 4340, 4805, 4952, 4960, 5208, 5766, 6190, 6510, 6727, 6944, 7428, 7440, 7688, 8666, 8680, 9285, 9610, 9904, 10416, 11532, 12380, 12999, 13020, 13454, 14415, 14856, 14880, 15376, 17332, 17360, 18570, 19189, 19220, 19808, 20181, 20832, 21665, 23064, 24760, 25998, 26040, 26908, 28830, 29712, 30752, 33635, 34664, 34720, 37140, 38378, 38440, 40362, 43330, 46128, 49520, 51996, 52080, 53816, 57567, 57660, 59424, 64995, 67270, 69328, 74280, 76756, 76880, 80724, 86660, 92256, 95945, 99040, 100905, 103992, 104160, 107632, 115134, 115320, 129990, 134323, 134540, 138656, 148560, 153512, 153760, 161448, 173320, 191890, 201810, 207984, 215264, 230268, 230640, 259980, 268646, 269080, 287835, 297120, 307024, 322896, 346640, 383780, 402969, 403620, 415968, 460536, 461280, 519960, 537292, 538160, 575670, 594859, 614048, 645792, 671615, 693280, 767560, 805938, 807240, 921072, 1039920, 1074584, 1076320, 1151340, 1189718, 1343230, 1535120, 1611876, 1614480, 1784577, 1842144, 2014845, 2079840, 2149168, 2302680, 2379436, 2686460, 2974295, 3070240, 3223752, 3228960, 3569154, 4029690, 4164013, 4298336, 4605360, 4758872, 5372920, 5948590, 6447504, 7138308, 8059380, 8328026, 8922885, 9210720, 9517744, 10745840, 11897180, 12492039, 12895008, 14276616, 16118760, 16656052, 17845770, 19035488, 20820065, 21491680, 23794360, 24984078, 28553232, 32237520, 33312104, 35691540, 41640130, 47588720, 49968156, 57106464, 62460195, 64475040, 66624208, 71383080, 83280260, 95177440, 99936312, 124920390, 133248416, 142766160, 166560520, 199872624, 249840780, 285532320, 333121040, 399745248, 499681560, 666242080, 999363120, 1998726240]

約数ペア:

[(1, 1998726240), (2, 999363120), (3, 666242080), (4, 499681560), (5, 399745248), (6, 333121040), (7, 285532320), (8, 249840780), (10, 199872624), (12, 166560520), (14, 142766160), (15, 133248416), (16, 124920390), (20, 99936312), (21, 95177440), (24, 83280260), (28, 71383080), (30, 66624208), (31, 64475040), (32, 62460195), (35, 57106464), (40, 49968156), (42, 47588720), (48, 41640130), (56, 35691540), (60, 33312104), (62, 32237520), (70, 28553232), (80, 24984078), (84, 23794360), (93, 21491680), (96, 20820065), (105, 19035488), (112, 17845770), (120, 16656052), (124, 16118760), (140, 14276616), (155, 12895008), (160, 12492039), (168, 11897180), (186, 10745840), (210, 9517744), (217, 9210720), (224, 8922885), (240, 8328026), (248, 8059380), (280, 7138308), (310, 6447504), (336, 5948590), (372, 5372920), (420, 4758872), (434, 4605360), (465, 4298336), (480, 4164013), (496, 4029690), (560, 3569154), (619, 3228960), (620, 3223752), (651, 3070240), (672, 2974295), (744, 2686460), (840, 2379436), (868, 2302680), (930, 2149168), (961, 2079840), (992, 2014845), (1085, 1842144), (1120, 1784577), (1238, 1614480), (1240, 1611876), (1302, 1535120), (1488, 1343230), (1680, 1189718), (1736, 1151340), (1857, 1076320), (1860, 1074584), (1922, 1039920), (2170, 921072), (2476, 807240), (2480, 805938), (2604, 767560), (2883, 693280), (2976, 671615), (3095, 645792), (3255, 614048), (3360, 594859), (3472, 575670), (3714, 538160), (3720, 537292), (3844, 519960), (4333, 461280), (4340, 460536), (4805, 415968), (4952, 403620), (4960, 402969), (5208, 383780), (5766, 346640), (6190, 322896), (6510, 307024), (6727, 297120), (6944, 287835), (7428, 269080), (7440, 268646), (7688, 259980), (8666, 230640), (8680, 230268), (9285, 215264), (9610, 207984), (9904, 201810), (10416, 191890), (11532, 173320), (12380, 161448), (12999, 153760), (13020, 153512), (13454, 148560), (14415, 138656), (14856, 134540), (14880, 134323), (15376, 129990), (17332, 115320), (17360, 115134), (18570, 107632), (19189, 104160), (19220, 103992), (19808, 100905), (20181, 99040), (20832, 95945), (21665, 92256), (23064, 86660), (24760, 80724), (25998, 76880), (26040, 76756), (26908, 74280), (28830, 69328), (29712, 67270), (30752, 64995), (33635, 59424), (34664, 57660), (34720, 57567), (37140, 53816), (38378, 52080), (38440, 51996), (40362, 49520), (43330, 46128)]