216431280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1268

約数の個数: 240

約数和(自身を含む): 824634720

約数和(自身を除く): 608203440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 30, 36, 38, 39, 40, 45, 48, 52, 57, 60, 65, 72, 76, 78, 80, 90, 95, 104, 114, 117, 120, 130, 144, 152, 156, 171, 180, 190, 195, 208, 228, 234, 240, 247, 260, 285, 304, 312, 342, 360, 380, 390, 456, 468, 494, 520, 570, 585, 624, 684, 720, 741, 760, 780, 855, 912, 936, 988, 1040, 1140, 1170, 1217, 1235, 1368, 1482, 1520, 1560, 1710, 1872, 1976, 2223, 2280, 2340, 2434, 2470, 2736, 2964, 3120, 3420, 3651, 3705, 3952, 4446, 4560, 4680, 4868, 4940, 5928, 6085, 6840, 7302, 7410, 8892, 9360, 9736, 9880, 10953, 11115, 11856, 12170, 13680, 14604, 14820, 15821, 17784, 18255, 19472, 19760, 21906, 22230, 23123, 24340, 29208, 29640, 31642, 35568, 36510, 43812, 44460, 46246, 47463, 48680, 54765, 58416, 59280, 63284, 69369, 73020, 79105, 87624, 88920, 92492, 94926, 97360, 109530, 115615, 126568, 138738, 142389, 146040, 158210, 175248, 177840, 184984, 189852, 208107, 219060, 231230, 237315, 253136, 277476, 284778, 292080, 300599, 316420, 346845, 369968, 379704, 416214, 438120, 462460, 474630, 554952, 569556, 601198, 632840, 693690, 711945, 759408, 832428, 876240, 901797, 924920, 949260, 1040535, 1109904, 1139112, 1202396, 1265680, 1387380, 1423890, 1502995, 1664856, 1803594, 1849840, 1898520, 2081070, 2278224, 2404792, 2705391, 2774760, 2847780, 3005990, 3329712, 3607188, 3797040, 4162140, 4508985, 4809584, 5410782, 5549520, 5695560, 6011980, 7214376, 8324280, 9017970, 10821564, 11391120, 12023960, 13526955, 14428752, 16648560, 18035940, 21643128, 24047920, 27053910, 36071880, 43286256, 54107820, 72143760, 108215640, 216431280]

約数ペア:

[(1, 216431280), (2, 108215640), (3, 72143760), (4, 54107820), (5, 43286256), (6, 36071880), (8, 27053910), (9, 24047920), (10, 21643128), (12, 18035940), (13, 16648560), (15, 14428752), (16, 13526955), (18, 12023960), (19, 11391120), (20, 10821564), (24, 9017970), (26, 8324280), (30, 7214376), (36, 6011980), (38, 5695560), (39, 5549520), (40, 5410782), (45, 4809584), (48, 4508985), (52, 4162140), (57, 3797040), (60, 3607188), (65, 3329712), (72, 3005990), (76, 2847780), (78, 2774760), (80, 2705391), (90, 2404792), (95, 2278224), (104, 2081070), (114, 1898520), (117, 1849840), (120, 1803594), (130, 1664856), (144, 1502995), (152, 1423890), (156, 1387380), (171, 1265680), (180, 1202396), (190, 1139112), (195, 1109904), (208, 1040535), (228, 949260), (234, 924920), (240, 901797), (247, 876240), (260, 832428), (285, 759408), (304, 711945), (312, 693690), (342, 632840), (360, 601198), (380, 569556), (390, 554952), (456, 474630), (468, 462460), (494, 438120), (520, 416214), (570, 379704), (585, 369968), (624, 346845), (684, 316420), (720, 300599), (741, 292080), (760, 284778), (780, 277476), (855, 253136), (912, 237315), (936, 231230), (988, 219060), (1040, 208107), (1140, 189852), (1170, 184984), (1217, 177840), (1235, 175248), (1368, 158210), (1482, 146040), (1520, 142389), (1560, 138738), (1710, 126568), (1872, 115615), (1976, 109530), (2223, 97360), (2280, 94926), (2340, 92492), (2434, 88920), (2470, 87624), (2736, 79105), (2964, 73020), (3120, 69369), (3420, 63284), (3651, 59280), (3705, 58416), (3952, 54765), (4446, 48680), (4560, 47463), (4680, 46246), (4868, 44460), (4940, 43812), (5928, 36510), (6085, 35568), (6840, 31642), (7302, 29640), (7410, 29208), (8892, 24340), (9360, 23123), (9736, 22230), (9880, 21906), (10953, 19760), (11115, 19472), (11856, 18255), (12170, 17784), (13680, 15821), (14604, 14820)]