489374640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{431}}^1$

素因数の和:552

約数の個数: 240

約数和(自身を含む): 1754887680

約数和(自身を除く): 1265513040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 83, 90, 95, 114, 120, 144, 152, 166, 171, 180, 190, 228, 240, 249, 285, 304, 332, 342, 360, 380, 415, 431, 456, 498, 570, 664, 684, 720, 747, 760, 830, 855, 862, 912, 996, 1140, 1245, 1293, 1328, 1368, 1494, 1520, 1577, 1660, 1710, 1724, 1992, 2155, 2280, 2490, 2586, 2736, 2988, 3154, 3320, 3420, 3448, 3735, 3879, 3984, 4310, 4560, 4731, 4980, 5172, 5976, 6308, 6465, 6640, 6840, 6896, 7470, 7758, 7885, 8189, 8620, 9462, 9960, 10344, 11952, 12616, 12930, 13680, 14193, 14940, 15516, 15770, 16378, 17240, 18924, 19395, 19920, 20688, 23655, 24567, 25232, 25860, 28386, 29880, 31032, 31540, 32756, 34480, 35773, 37848, 38790, 40945, 47310, 49134, 51720, 56772, 59760, 62064, 63080, 65512, 70965, 71546, 73701, 75696, 77580, 81890, 94620, 98268, 103440, 107319, 113544, 122835, 126160, 131024, 141930, 143092, 147402, 155160, 163780, 178865, 189240, 196536, 214638, 227088, 245670, 283860, 286184, 294804, 310320, 321957, 327560, 357730, 368505, 378480, 393072, 429276, 491340, 536595, 567720, 572368, 589608, 643914, 655120, 679687, 715460, 737010, 858552, 982680, 1073190, 1135440, 1179216, 1287828, 1359374, 1430920, 1474020, 1609785, 1717104, 1965360, 2039061, 2146380, 2575656, 2718748, 2861840, 2948040, 3219570, 3398435, 4078122, 4292760, 5151312, 5437496, 5896080, 6117183, 6439140, 6796870, 8156244, 8585520, 10195305, 10874992, 12234366, 12878280, 13593740, 16312488, 20390610, 24468732, 25756560, 27187480, 30585915, 32624976, 40781220, 48937464, 54374960, 61171830, 81562440, 97874928, 122343660, 163124880, 244687320, 489374640]

約数ペア:

[(1, 489374640), (2, 244687320), (3, 163124880), (4, 122343660), (5, 97874928), (6, 81562440), (8, 61171830), (9, 54374960), (10, 48937464), (12, 40781220), (15, 32624976), (16, 30585915), (18, 27187480), (19, 25756560), (20, 24468732), (24, 20390610), (30, 16312488), (36, 13593740), (38, 12878280), (40, 12234366), (45, 10874992), (48, 10195305), (57, 8585520), (60, 8156244), (72, 6796870), (76, 6439140), (80, 6117183), (83, 5896080), (90, 5437496), (95, 5151312), (114, 4292760), (120, 4078122), (144, 3398435), (152, 3219570), (166, 2948040), (171, 2861840), (180, 2718748), (190, 2575656), (228, 2146380), (240, 2039061), (249, 1965360), (285, 1717104), (304, 1609785), (332, 1474020), (342, 1430920), (360, 1359374), (380, 1287828), (415, 1179216), (431, 1135440), (456, 1073190), (498, 982680), (570, 858552), (664, 737010), (684, 715460), (720, 679687), (747, 655120), (760, 643914), (830, 589608), (855, 572368), (862, 567720), (912, 536595), (996, 491340), (1140, 429276), (1245, 393072), (1293, 378480), (1328, 368505), (1368, 357730), (1494, 327560), (1520, 321957), (1577, 310320), (1660, 294804), (1710, 286184), (1724, 283860), (1992, 245670), (2155, 227088), (2280, 214638), (2490, 196536), (2586, 189240), (2736, 178865), (2988, 163780), (3154, 155160), (3320, 147402), (3420, 143092), (3448, 141930), (3735, 131024), (3879, 126160), (3984, 122835), (4310, 113544), (4560, 107319), (4731, 103440), (4980, 98268), (5172, 94620), (5976, 81890), (6308, 77580), (6465, 75696), (6640, 73701), (6840, 71546), (6896, 70965), (7470, 65512), (7758, 63080), (7885, 62064), (8189, 59760), (8620, 56772), (9462, 51720), (9960, 49134), (10344, 47310), (11952, 40945), (12616, 38790), (12930, 37848), (13680, 35773), (14193, 34480), (14940, 32756), (15516, 31540), (15770, 31032), (16378, 29880), (17240, 28386), (18924, 25860), (19395, 25232), (19920, 24567), (20688, 23655)]