21915360

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 240

約数和(自身を含む): 82328400

約数和(自身を除く): 60413040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 81, 89, 90, 95, 96, 108, 114, 120, 135, 144, 152, 160, 162, 171, 178, 180, 190, 216, 228, 240, 267, 270, 285, 288, 304, 324, 342, 356, 360, 380, 405, 432, 445, 456, 480, 513, 534, 540, 570, 608, 648, 684, 712, 720, 760, 801, 810, 855, 864, 890, 912, 1026, 1068, 1080, 1140, 1296, 1335, 1368, 1424, 1440, 1520, 1539, 1602, 1620, 1691, 1710, 1780, 1824, 2052, 2136, 2160, 2280, 2403, 2565, 2592, 2670, 2736, 2848, 3040, 3078, 3204, 3240, 3382, 3420, 3560, 4005, 4104, 4272, 4320, 4560, 4806, 5073, 5130, 5340, 5472, 6156, 6408, 6480, 6764, 6840, 7120, 7209, 7695, 8010, 8208, 8455, 8544, 9120, 9612, 10146, 10260, 10680, 12015, 12312, 12816, 12960, 13528, 13680, 14240, 14418, 15219, 15390, 16020, 16416, 16910, 19224, 20292, 20520, 21360, 24030, 24624, 25365, 25632, 27056, 27360, 28836, 30438, 30780, 32040, 33820, 36045, 38448, 40584, 41040, 42720, 45657, 48060, 49248, 50730, 54112, 57672, 60876, 61560, 64080, 67640, 72090, 76095, 76896, 81168, 82080, 91314, 96120, 101460, 115344, 121752, 123120, 128160, 135280, 136971, 144180, 152190, 162336, 182628, 192240, 202920, 228285, 230688, 243504, 246240, 270560, 273942, 288360, 304380, 365256, 384480, 405840, 456570, 487008, 547884, 576720, 608760, 684855, 730512, 811680, 913140, 1095768, 1153440, 1217520, 1369710, 1461024, 1826280, 2191536, 2435040, 2739420, 3652560, 4383072, 5478840, 7305120, 10957680, 21915360]

約数ペア:

[(1, 21915360), (2, 10957680), (3, 7305120), (4, 5478840), (5, 4383072), (6, 3652560), (8, 2739420), (9, 2435040), (10, 2191536), (12, 1826280), (15, 1461024), (16, 1369710), (18, 1217520), (19, 1153440), (20, 1095768), (24, 913140), (27, 811680), (30, 730512), (32, 684855), (36, 608760), (38, 576720), (40, 547884), (45, 487008), (48, 456570), (54, 405840), (57, 384480), (60, 365256), (72, 304380), (76, 288360), (80, 273942), (81, 270560), (89, 246240), (90, 243504), (95, 230688), (96, 228285), (108, 202920), (114, 192240), (120, 182628), (135, 162336), (144, 152190), (152, 144180), (160, 136971), (162, 135280), (171, 128160), (178, 123120), (180, 121752), (190, 115344), (216, 101460), (228, 96120), (240, 91314), (267, 82080), (270, 81168), (285, 76896), (288, 76095), (304, 72090), (324, 67640), (342, 64080), (356, 61560), (360, 60876), (380, 57672), (405, 54112), (432, 50730), (445, 49248), (456, 48060), (480, 45657), (513, 42720), (534, 41040), (540, 40584), (570, 38448), (608, 36045), (648, 33820), (684, 32040), (712, 30780), (720, 30438), (760, 28836), (801, 27360), (810, 27056), (855, 25632), (864, 25365), (890, 24624), (912, 24030), (1026, 21360), (1068, 20520), (1080, 20292), (1140, 19224), (1296, 16910), (1335, 16416), (1368, 16020), (1424, 15390), (1440, 15219), (1520, 14418), (1539, 14240), (1602, 13680), (1620, 13528), (1691, 12960), (1710, 12816), (1780, 12312), (1824, 12015), (2052, 10680), (2136, 10260), (2160, 10146), (2280, 9612), (2403, 9120), (2565, 8544), (2592, 8455), (2670, 8208), (2736, 8010), (2848, 7695), (3040, 7209), (3078, 7120), (3204, 6840), (3240, 6764), (3382, 6480), (3420, 6408), (3560, 6156), (4005, 5472), (4104, 5340), (4272, 5130), (4320, 5073), (4560, 4806)]