280335120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4729}}^1$

素因数の和:4777

約数の個数: 160

約数和(自身を含む): 985353600

約数和(自身を除く): 705018480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 494, 520, 570, 624, 741, 760, 780, 912, 988, 1040, 1140, 1235, 1482, 1520, 1560, 1976, 2280, 2470, 2964, 3120, 3705, 3952, 4560, 4729, 4940, 5928, 7410, 9458, 9880, 11856, 14187, 14820, 18916, 19760, 23645, 28374, 29640, 37832, 47290, 56748, 59280, 61477, 70935, 75664, 89851, 94580, 113496, 122954, 141870, 179702, 184431, 189160, 226992, 245908, 269553, 283740, 307385, 359404, 368862, 378320, 449255, 491816, 539106, 567480, 614770, 718808, 737724, 898510, 922155, 983632, 1078212, 1134960, 1168063, 1229540, 1347765, 1437616, 1475448, 1797020, 1844310, 2156424, 2336126, 2459080, 2695530, 2950896, 3504189, 3594040, 3688620, 4312848, 4672252, 4918160, 5391060, 5840315, 7008378, 7188080, 7377240, 9344504, 10782120, 11680630, 14016756, 14754480, 17520945, 18689008, 21564240, 23361260, 28033512, 35041890, 46722520, 56067024, 70083780, 93445040, 140167560, 280335120]

約数ペア:

[(1, 280335120), (2, 140167560), (3, 93445040), (4, 70083780), (5, 56067024), (6, 46722520), (8, 35041890), (10, 28033512), (12, 23361260), (13, 21564240), (15, 18689008), (16, 17520945), (19, 14754480), (20, 14016756), (24, 11680630), (26, 10782120), (30, 9344504), (38, 7377240), (39, 7188080), (40, 7008378), (48, 5840315), (52, 5391060), (57, 4918160), (60, 4672252), (65, 4312848), (76, 3688620), (78, 3594040), (80, 3504189), (95, 2950896), (104, 2695530), (114, 2459080), (120, 2336126), (130, 2156424), (152, 1844310), (156, 1797020), (190, 1475448), (195, 1437616), (208, 1347765), (228, 1229540), (240, 1168063), (247, 1134960), (260, 1078212), (285, 983632), (304, 922155), (312, 898510), (380, 737724), (390, 718808), (456, 614770), (494, 567480), (520, 539106), (570, 491816), (624, 449255), (741, 378320), (760, 368862), (780, 359404), (912, 307385), (988, 283740), (1040, 269553), (1140, 245908), (1235, 226992), (1482, 189160), (1520, 184431), (1560, 179702), (1976, 141870), (2280, 122954), (2470, 113496), (2964, 94580), (3120, 89851), (3705, 75664), (3952, 70935), (4560, 61477), (4729, 59280), (4940, 56748), (5928, 47290), (7410, 37832), (9458, 29640), (9880, 28374), (11856, 23645), (14187, 19760), (14820, 18916)]