1398631680

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{727}}^1$

素因数の和:921

約数の個数: 216

約数和(自身を含む): 4874792832

約数和(自身を除く): 3476161152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 167, 180, 192, 240, 256, 288, 320, 334, 360, 384, 480, 501, 576, 640, 668, 720, 727, 768, 835, 960, 1002, 1152, 1280, 1336, 1440, 1454, 1503, 1670, 1920, 2004, 2181, 2304, 2505, 2672, 2880, 2908, 3006, 3340, 3635, 3840, 4008, 4362, 5010, 5344, 5760, 5816, 6012, 6543, 6680, 7270, 7515, 8016, 8724, 10020, 10688, 10905, 11520, 11632, 12024, 13086, 13360, 14540, 15030, 16032, 17448, 20040, 21376, 21810, 23264, 24048, 26172, 26720, 29080, 30060, 32064, 32715, 34896, 40080, 42752, 43620, 46528, 48096, 52344, 53440, 58160, 60120, 64128, 65430, 69792, 80160, 87240, 93056, 96192, 104688, 106880, 116320, 120240, 121409, 128256, 130860, 139584, 160320, 174480, 186112, 192384, 209376, 213760, 232640, 240480, 242818, 261720, 279168, 320640, 348960, 364227, 384768, 418752, 465280, 480960, 485636, 523440, 558336, 607045, 641280, 697920, 728454, 837504, 930560, 961920, 971272, 1046880, 1092681, 1214090, 1395840, 1456908, 1675008, 1821135, 1923840, 1942544, 2093760, 2185362, 2428180, 2791680, 2913816, 3642270, 3885088, 4187520, 4370724, 4856360, 5463405, 5827632, 7284540, 7770176, 8375040, 8741448, 9712720, 10926810, 11655264, 14569080, 15540352, 17482896, 19425440, 21853620, 23310528, 29138160, 31080704, 34965792, 38850880, 43707240, 46621056, 58276320, 69931584, 77701760, 87414480, 93242112, 116552640, 139863168, 155403520, 174828960, 233105280, 279726336, 349657920, 466210560, 699315840, 1398631680]

約数ペア:

[(1, 1398631680), (2, 699315840), (3, 466210560), (4, 349657920), (5, 279726336), (6, 233105280), (8, 174828960), (9, 155403520), (10, 139863168), (12, 116552640), (15, 93242112), (16, 87414480), (18, 77701760), (20, 69931584), (24, 58276320), (30, 46621056), (32, 43707240), (36, 38850880), (40, 34965792), (45, 31080704), (48, 29138160), (60, 23310528), (64, 21853620), (72, 19425440), (80, 17482896), (90, 15540352), (96, 14569080), (120, 11655264), (128, 10926810), (144, 9712720), (160, 8741448), (167, 8375040), (180, 7770176), (192, 7284540), (240, 5827632), (256, 5463405), (288, 4856360), (320, 4370724), (334, 4187520), (360, 3885088), (384, 3642270), (480, 2913816), (501, 2791680), (576, 2428180), (640, 2185362), (668, 2093760), (720, 1942544), (727, 1923840), (768, 1821135), (835, 1675008), (960, 1456908), (1002, 1395840), (1152, 1214090), (1280, 1092681), (1336, 1046880), (1440, 971272), (1454, 961920), (1503, 930560), (1670, 837504), (1920, 728454), (2004, 697920), (2181, 641280), (2304, 607045), (2505, 558336), (2672, 523440), (2880, 485636), (2908, 480960), (3006, 465280), (3340, 418752), (3635, 384768), (3840, 364227), (4008, 348960), (4362, 320640), (5010, 279168), (5344, 261720), (5760, 242818), (5816, 240480), (6012, 232640), (6543, 213760), (6680, 209376), (7270, 192384), (7515, 186112), (8016, 174480), (8724, 160320), (10020, 139584), (10688, 130860), (10905, 128256), (11520, 121409), (11632, 120240), (12024, 116320), (13086, 106880), (13360, 104688), (14540, 96192), (15030, 93056), (16032, 87240), (17448, 80160), (20040, 69792), (21376, 65430), (21810, 64128), (23264, 60120), (24048, 58160), (26172, 53440), (26720, 52344), (29080, 48096), (30060, 46528), (32064, 43620), (32715, 42752), (34896, 40080)]