19491120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 75209472

約数和(自身を除く): 55718352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 30, 33, 36, 40, 44, 45, 46, 48, 55, 60, 66, 69, 72, 80, 88, 90, 92, 99, 107, 110, 115, 120, 132, 138, 144, 165, 176, 180, 184, 198, 207, 214, 220, 230, 240, 253, 264, 276, 321, 330, 345, 360, 368, 396, 414, 428, 440, 460, 495, 506, 528, 535, 552, 642, 660, 690, 720, 759, 792, 828, 856, 880, 920, 963, 990, 1012, 1035, 1070, 1104, 1177, 1265, 1284, 1320, 1380, 1518, 1584, 1605, 1656, 1712, 1840, 1926, 1980, 2024, 2070, 2140, 2277, 2354, 2461, 2530, 2568, 2640, 2760, 3036, 3210, 3312, 3531, 3795, 3852, 3960, 4048, 4140, 4280, 4554, 4708, 4815, 4922, 5060, 5136, 5520, 5885, 6072, 6420, 7062, 7383, 7590, 7704, 7920, 8280, 8560, 9108, 9416, 9630, 9844, 10120, 10593, 11385, 11770, 12144, 12305, 12840, 14124, 14766, 15180, 15408, 16560, 17655, 18216, 18832, 19260, 19688, 20240, 21186, 22149, 22770, 23540, 24610, 25680, 27071, 28248, 29532, 30360, 35310, 36432, 36915, 38520, 39376, 42372, 44298, 45540, 47080, 49220, 52965, 54142, 56496, 59064, 60720, 70620, 73830, 77040, 81213, 84744, 88596, 91080, 94160, 98440, 105930, 108284, 110745, 118128, 135355, 141240, 147660, 162426, 169488, 177192, 182160, 196880, 211860, 216568, 221490, 243639, 270710, 282480, 295320, 324852, 354384, 406065, 423720, 433136, 442980, 487278, 541420, 590640, 649704, 812130, 847440, 885960, 974556, 1082840, 1218195, 1299408, 1624260, 1771920, 1949112, 2165680, 2436390, 3248520, 3898224, 4872780, 6497040, 9745560, 19491120]

約数ペア:

[(1, 19491120), (2, 9745560), (3, 6497040), (4, 4872780), (5, 3898224), (6, 3248520), (8, 2436390), (9, 2165680), (10, 1949112), (11, 1771920), (12, 1624260), (15, 1299408), (16, 1218195), (18, 1082840), (20, 974556), (22, 885960), (23, 847440), (24, 812130), (30, 649704), (33, 590640), (36, 541420), (40, 487278), (44, 442980), (45, 433136), (46, 423720), (48, 406065), (55, 354384), (60, 324852), (66, 295320), (69, 282480), (72, 270710), (80, 243639), (88, 221490), (90, 216568), (92, 211860), (99, 196880), (107, 182160), (110, 177192), (115, 169488), (120, 162426), (132, 147660), (138, 141240), (144, 135355), (165, 118128), (176, 110745), (180, 108284), (184, 105930), (198, 98440), (207, 94160), (214, 91080), (220, 88596), (230, 84744), (240, 81213), (253, 77040), (264, 73830), (276, 70620), (321, 60720), (330, 59064), (345, 56496), (360, 54142), (368, 52965), (396, 49220), (414, 47080), (428, 45540), (440, 44298), (460, 42372), (495, 39376), (506, 38520), (528, 36915), (535, 36432), (552, 35310), (642, 30360), (660, 29532), (690, 28248), (720, 27071), (759, 25680), (792, 24610), (828, 23540), (856, 22770), (880, 22149), (920, 21186), (963, 20240), (990, 19688), (1012, 19260), (1035, 18832), (1070, 18216), (1104, 17655), (1177, 16560), (1265, 15408), (1284, 15180), (1320, 14766), (1380, 14124), (1518, 12840), (1584, 12305), (1605, 12144), (1656, 11770), (1712, 11385), (1840, 10593), (1926, 10120), (1980, 9844), (2024, 9630), (2070, 9416), (2140, 9108), (2277, 8560), (2354, 8280), (2461, 7920), (2530, 7704), (2568, 7590), (2640, 7383), (2760, 7062), (3036, 6420), (3210, 6072), (3312, 5885), (3531, 5520), (3795, 5136), (3852, 5060), (3960, 4922), (4048, 4815), (4140, 4708), (4280, 4554)]