387978480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:476

約数の個数: 240

約数和(自身を含む): 1392768000

約数和(自身を除く): 1004789520

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, 79, 80, 90, 95, 114, 120, 144, 152, 158, 171, 180, 190, 228, 237, 240, 285, 304, 316, 342, 359, 360, 380, 395, 456, 474, 570, 632, 684, 711, 718, 720, 760, 790, 855, 912, 948, 1077, 1140, 1185, 1264, 1368, 1422, 1436, 1501, 1520, 1580, 1710, 1795, 1896, 2154, 2280, 2370, 2736, 2844, 2872, 3002, 3160, 3231, 3420, 3555, 3590, 3792, 4308, 4503, 4560, 4740, 5385, 5688, 5744, 6004, 6320, 6462, 6821, 6840, 7110, 7180, 7505, 8616, 9006, 9480, 10770, 11376, 12008, 12924, 13509, 13642, 13680, 14220, 14360, 15010, 16155, 17232, 18012, 18960, 20463, 21540, 22515, 24016, 25848, 27018, 27284, 28361, 28440, 28720, 30020, 32310, 34105, 36024, 40926, 43080, 45030, 51696, 54036, 54568, 56722, 56880, 60040, 61389, 64620, 67545, 68210, 72048, 81852, 85083, 86160, 90060, 102315, 108072, 109136, 113444, 120080, 122778, 129240, 135090, 136420, 141805, 163704, 170166, 180120, 204630, 216144, 226888, 245556, 255249, 258480, 270180, 272840, 283610, 306945, 327408, 340332, 360240, 409260, 425415, 453776, 491112, 510498, 538859, 540360, 545680, 567220, 613890, 680664, 818520, 850830, 982224, 1020996, 1077718, 1080720, 1134440, 1227780, 1276245, 1361328, 1616577, 1637040, 1701660, 2041992, 2155436, 2268880, 2455560, 2552490, 2694295, 3233154, 3403320, 4083984, 4310872, 4849731, 4911120, 5104980, 5388590, 6466308, 6806640, 8082885, 8621744, 9699462, 10209960, 10777180, 12932616, 16165770, 19398924, 20419920, 21554360, 24248655, 25865232, 32331540, 38797848, 43108720, 48497310, 64663080, 77595696, 96994620, 129326160, 193989240, 387978480]

約数ペア:

[(1, 387978480), (2, 193989240), (3, 129326160), (4, 96994620), (5, 77595696), (6, 64663080), (8, 48497310), (9, 43108720), (10, 38797848), (12, 32331540), (15, 25865232), (16, 24248655), (18, 21554360), (19, 20419920), (20, 19398924), (24, 16165770), (30, 12932616), (36, 10777180), (38, 10209960), (40, 9699462), (45, 8621744), (48, 8082885), (57, 6806640), (60, 6466308), (72, 5388590), (76, 5104980), (79, 4911120), (80, 4849731), (90, 4310872), (95, 4083984), (114, 3403320), (120, 3233154), (144, 2694295), (152, 2552490), (158, 2455560), (171, 2268880), (180, 2155436), (190, 2041992), (228, 1701660), (237, 1637040), (240, 1616577), (285, 1361328), (304, 1276245), (316, 1227780), (342, 1134440), (359, 1080720), (360, 1077718), (380, 1020996), (395, 982224), (456, 850830), (474, 818520), (570, 680664), (632, 613890), (684, 567220), (711, 545680), (718, 540360), (720, 538859), (760, 510498), (790, 491112), (855, 453776), (912, 425415), (948, 409260), (1077, 360240), (1140, 340332), (1185, 327408), (1264, 306945), (1368, 283610), (1422, 272840), (1436, 270180), (1501, 258480), (1520, 255249), (1580, 245556), (1710, 226888), (1795, 216144), (1896, 204630), (2154, 180120), (2280, 170166), (2370, 163704), (2736, 141805), (2844, 136420), (2872, 135090), (3002, 129240), (3160, 122778), (3231, 120080), (3420, 113444), (3555, 109136), (3590, 108072), (3792, 102315), (4308, 90060), (4503, 86160), (4560, 85083), (4740, 81852), (5385, 72048), (5688, 68210), (5744, 67545), (6004, 64620), (6320, 61389), (6462, 60040), (6821, 56880), (6840, 56722), (7110, 54568), (7180, 54036), (7505, 51696), (8616, 45030), (9006, 43080), (9480, 40926), (10770, 36024), (11376, 34105), (12008, 32310), (12924, 30020), (13509, 28720), (13642, 28440), (13680, 28361), (14220, 27284), (14360, 27018), (15010, 25848), (16155, 24016), (17232, 22515), (18012, 21540), (18960, 20463)]