420846720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:383

約数の個数: 256

約数和(自身を含む): 1550465280

約数和(自身を除く): 1129618560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 173, 181, 192, 210, 224, 240, 280, 320, 336, 346, 362, 384, 420, 448, 480, 519, 543, 560, 640, 672, 692, 724, 840, 865, 896, 905, 960, 1038, 1086, 1120, 1211, 1267, 1344, 1384, 1448, 1680, 1730, 1810, 1920, 2076, 2172, 2240, 2422, 2534, 2595, 2688, 2715, 2768, 2896, 3360, 3460, 3620, 3633, 3801, 4152, 4344, 4480, 4844, 5068, 5190, 5430, 5536, 5792, 6055, 6335, 6720, 6920, 7240, 7266, 7602, 8304, 8688, 9688, 10136, 10380, 10860, 11072, 11584, 12110, 12670, 13440, 13840, 14480, 14532, 15204, 16608, 17376, 18165, 19005, 19376, 20272, 20760, 21720, 22144, 23168, 24220, 25340, 27680, 28960, 29064, 30408, 31313, 33216, 34752, 36330, 38010, 38752, 40544, 41520, 43440, 48440, 50680, 55360, 57920, 58128, 60816, 62626, 66432, 69504, 72660, 76020, 77504, 81088, 83040, 86880, 93939, 96880, 101360, 110720, 115840, 116256, 121632, 125252, 145320, 152040, 155008, 156565, 162176, 166080, 173760, 187878, 193760, 202720, 219191, 232512, 243264, 250504, 290640, 304080, 313130, 332160, 347520, 375756, 387520, 405440, 438382, 465024, 469695, 486528, 501008, 581280, 608160, 626260, 657573, 751512, 775040, 810880, 876764, 939390, 1002016, 1095955, 1162560, 1216320, 1252520, 1315146, 1503024, 1753528, 1878780, 2004032, 2191910, 2325120, 2432640, 2505040, 2630292, 3006048, 3287865, 3507056, 3757560, 4008064, 4383820, 5010080, 5260584, 6012096, 6575730, 7014112, 7515120, 8767640, 10020160, 10521168, 12024192, 13151460, 14028224, 15030240, 17535280, 20040320, 21042336, 26302920, 28056448, 30060480, 35070560, 42084672, 52605840, 60120960, 70141120, 84169344, 105211680, 140282240, 210423360, 420846720]

約数ペア:

[(1, 420846720), (2, 210423360), (3, 140282240), (4, 105211680), (5, 84169344), (6, 70141120), (7, 60120960), (8, 52605840), (10, 42084672), (12, 35070560), (14, 30060480), (15, 28056448), (16, 26302920), (20, 21042336), (21, 20040320), (24, 17535280), (28, 15030240), (30, 14028224), (32, 13151460), (35, 12024192), (40, 10521168), (42, 10020160), (48, 8767640), (56, 7515120), (60, 7014112), (64, 6575730), (70, 6012096), (80, 5260584), (84, 5010080), (96, 4383820), (105, 4008064), (112, 3757560), (120, 3507056), (128, 3287865), (140, 3006048), (160, 2630292), (168, 2505040), (173, 2432640), (181, 2325120), (192, 2191910), (210, 2004032), (224, 1878780), (240, 1753528), (280, 1503024), (320, 1315146), (336, 1252520), (346, 1216320), (362, 1162560), (384, 1095955), (420, 1002016), (448, 939390), (480, 876764), (519, 810880), (543, 775040), (560, 751512), (640, 657573), (672, 626260), (692, 608160), (724, 581280), (840, 501008), (865, 486528), (896, 469695), (905, 465024), (960, 438382), (1038, 405440), (1086, 387520), (1120, 375756), (1211, 347520), (1267, 332160), (1344, 313130), (1384, 304080), (1448, 290640), (1680, 250504), (1730, 243264), (1810, 232512), (1920, 219191), (2076, 202720), (2172, 193760), (2240, 187878), (2422, 173760), (2534, 166080), (2595, 162176), (2688, 156565), (2715, 155008), (2768, 152040), (2896, 145320), (3360, 125252), (3460, 121632), (3620, 116256), (3633, 115840), (3801, 110720), (4152, 101360), (4344, 96880), (4480, 93939), (4844, 86880), (5068, 83040), (5190, 81088), (5430, 77504), (5536, 76020), (5792, 72660), (6055, 69504), (6335, 66432), (6720, 62626), (6920, 60816), (7240, 58128), (7266, 57920), (7602, 55360), (8304, 50680), (8688, 48440), (9688, 43440), (10136, 41520), (10380, 40544), (10860, 38752), (11072, 38010), (11584, 36330), (12110, 34752), (12670, 33216), (13440, 31313), (13840, 30408), (14480, 29064), (14532, 28960), (15204, 27680), (16608, 25340), (17376, 24220), (18165, 23168), (19005, 22144), (19376, 21720), (20272, 20760)]