251437680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{26863}}^1$

素因数の和:26895

約数の個数: 120

約数和(自身を含む): 909400128

約数和(自身を除く): 657962448

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 9360, 26863, 53726, 80589, 107452, 134315, 161178, 214904, 241767, 268630, 322356, 349219, 402945, 429808, 483534, 537260, 644712, 698438, 805890, 967068, 1047657, 1074520, 1208835, 1289424, 1396876, 1611780, 1746095, 1934136, 2095314, 2149040, 2417670, 2793752, 3142971, 3223560, 3492190, 3868272, 4190628, 4835340, 5238285, 5587504, 6285942, 6447120, 6984380, 8381256, 9670680, 10476570, 12571884, 13968760, 15714855, 16762512, 19341360, 20953140, 25143768, 27937520, 31429710, 41906280, 50287536, 62859420, 83812560, 125718840, 251437680]

約数ペア:

[(1, 251437680), (2, 125718840), (3, 83812560), (4, 62859420), (5, 50287536), (6, 41906280), (8, 31429710), (9, 27937520), (10, 25143768), (12, 20953140), (13, 19341360), (15, 16762512), (16, 15714855), (18, 13968760), (20, 12571884), (24, 10476570), (26, 9670680), (30, 8381256), (36, 6984380), (39, 6447120), (40, 6285942), (45, 5587504), (48, 5238285), (52, 4835340), (60, 4190628), (65, 3868272), (72, 3492190), (78, 3223560), (80, 3142971), (90, 2793752), (104, 2417670), (117, 2149040), (120, 2095314), (130, 1934136), (144, 1746095), (156, 1611780), (180, 1396876), (195, 1289424), (208, 1208835), (234, 1074520), (240, 1047657), (260, 967068), (312, 805890), (360, 698438), (390, 644712), (468, 537260), (520, 483534), (585, 429808), (624, 402945), (720, 349219), (780, 322356), (936, 268630), (1040, 241767), (1170, 214904), (1560, 161178), (1872, 134315), (2340, 107452), (3120, 80589), (4680, 53726), (9360, 26863)]