31655520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 288

約数和(自身を含む): 123832800

約数和(自身を除く): 92177280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 32, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 89, 90, 95, 96, 104, 114, 117, 120, 130, 144, 152, 156, 160, 171, 178, 180, 190, 195, 208, 228, 234, 240, 247, 260, 267, 285, 288, 304, 312, 342, 356, 360, 380, 390, 416, 445, 456, 468, 480, 494, 520, 534, 570, 585, 608, 624, 684, 712, 720, 741, 760, 780, 801, 855, 890, 912, 936, 988, 1040, 1068, 1140, 1157, 1170, 1235, 1248, 1335, 1368, 1424, 1440, 1482, 1520, 1560, 1602, 1691, 1710, 1780, 1824, 1872, 1976, 2080, 2136, 2223, 2280, 2314, 2340, 2470, 2670, 2736, 2848, 2964, 3040, 3120, 3204, 3382, 3420, 3471, 3560, 3705, 3744, 3952, 4005, 4272, 4446, 4560, 4628, 4680, 4940, 5073, 5340, 5472, 5785, 5928, 6240, 6408, 6764, 6840, 6942, 7120, 7410, 7904, 8010, 8455, 8544, 8892, 9120, 9256, 9360, 9880, 10146, 10413, 10680, 11115, 11570, 11856, 12816, 13528, 13680, 13884, 14240, 14820, 15219, 16020, 16910, 17355, 17784, 18512, 18720, 19760, 20292, 20826, 21360, 21983, 22230, 23140, 23712, 25365, 25632, 27056, 27360, 27768, 29640, 30438, 32040, 33820, 34710, 35568, 37024, 39520, 40584, 41652, 42720, 43966, 44460, 46280, 50730, 52065, 54112, 55536, 59280, 60876, 64080, 65949, 67640, 69420, 71136, 76095, 81168, 83304, 87932, 88920, 92560, 101460, 104130, 109915, 111072, 118560, 121752, 128160, 131898, 135280, 138840, 152190, 162336, 166608, 175864, 177840, 185120, 197847, 202920, 208260, 219830, 243504, 263796, 270560, 277680, 304380, 329745, 333216, 351728, 355680, 395694, 405840, 416520, 439660, 487008, 527592, 555360, 608760, 659490, 703456, 791388, 811680, 833040, 879320, 989235, 1055184, 1217520, 1318980, 1582776, 1666080, 1758640, 1978470, 2110368, 2435040, 2637960, 3165552, 3517280, 3956940, 5275920, 6331104, 7913880, 10551840, 15827760, 31655520]

約数ペア:

[(1, 31655520), (2, 15827760), (3, 10551840), (4, 7913880), (5, 6331104), (6, 5275920), (8, 3956940), (9, 3517280), (10, 3165552), (12, 2637960), (13, 2435040), (15, 2110368), (16, 1978470), (18, 1758640), (19, 1666080), (20, 1582776), (24, 1318980), (26, 1217520), (30, 1055184), (32, 989235), (36, 879320), (38, 833040), (39, 811680), (40, 791388), (45, 703456), (48, 659490), (52, 608760), (57, 555360), (60, 527592), (65, 487008), (72, 439660), (76, 416520), (78, 405840), (80, 395694), (89, 355680), (90, 351728), (95, 333216), (96, 329745), (104, 304380), (114, 277680), (117, 270560), (120, 263796), (130, 243504), (144, 219830), (152, 208260), (156, 202920), (160, 197847), (171, 185120), (178, 177840), (180, 175864), (190, 166608), (195, 162336), (208, 152190), (228, 138840), (234, 135280), (240, 131898), (247, 128160), (260, 121752), (267, 118560), (285, 111072), (288, 109915), (304, 104130), (312, 101460), (342, 92560), (356, 88920), (360, 87932), (380, 83304), (390, 81168), (416, 76095), (445, 71136), (456, 69420), (468, 67640), (480, 65949), (494, 64080), (520, 60876), (534, 59280), (570, 55536), (585, 54112), (608, 52065), (624, 50730), (684, 46280), (712, 44460), (720, 43966), (741, 42720), (760, 41652), (780, 40584), (801, 39520), (855, 37024), (890, 35568), (912, 34710), (936, 33820), (988, 32040), (1040, 30438), (1068, 29640), (1140, 27768), (1157, 27360), (1170, 27056), (1235, 25632), (1248, 25365), (1335, 23712), (1368, 23140), (1424, 22230), (1440, 21983), (1482, 21360), (1520, 20826), (1560, 20292), (1602, 19760), (1691, 18720), (1710, 18512), (1780, 17784), (1824, 17355), (1872, 16910), (1976, 16020), (2080, 15219), (2136, 14820), (2223, 14240), (2280, 13884), (2314, 13680), (2340, 13528), (2470, 12816), (2670, 11856), (2736, 11570), (2848, 11115), (2964, 10680), (3040, 10413), (3120, 10146), (3204, 9880), (3382, 9360), (3420, 9256), (3471, 9120), (3560, 8892), (3705, 8544), (3744, 8455), (3952, 8010), (4005, 7904), (4272, 7410), (4446, 7120), (4560, 6942), (4628, 6840), (4680, 6764), (4940, 6408), (5073, 6240), (5340, 5928), (5472, 5785)]