18316480

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:91

約数の個数: 224

約数和(自身を含む): 58375296

約数和(自身を除く): 40058816

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 32, 34, 35, 37, 40, 52, 56, 64, 65, 68, 70, 74, 80, 85, 91, 104, 112, 119, 130, 136, 140, 148, 160, 170, 182, 185, 208, 221, 224, 238, 259, 260, 272, 280, 296, 320, 340, 364, 370, 416, 442, 448, 455, 476, 481, 518, 520, 544, 560, 592, 595, 629, 680, 728, 740, 832, 884, 910, 952, 962, 1036, 1040, 1088, 1105, 1120, 1184, 1190, 1258, 1295, 1360, 1456, 1480, 1547, 1768, 1820, 1904, 1924, 2072, 2080, 2210, 2240, 2368, 2380, 2405, 2516, 2590, 2720, 2912, 2960, 3094, 3145, 3367, 3536, 3640, 3808, 3848, 4144, 4160, 4403, 4420, 4760, 4810, 5032, 5180, 5440, 5824, 5920, 6188, 6290, 6734, 7072, 7280, 7616, 7696, 7735, 8177, 8288, 8806, 8840, 9520, 9620, 10064, 10360, 11840, 12376, 12580, 13468, 14144, 14560, 15392, 15470, 16354, 16576, 16835, 17612, 17680, 19040, 19240, 20128, 20720, 22015, 24752, 25160, 26936, 29120, 30784, 30940, 32708, 33670, 35224, 35360, 38080, 38480, 40256, 40885, 41440, 44030, 49504, 50320, 53872, 57239, 61880, 65416, 67340, 70448, 70720, 76960, 81770, 82880, 88060, 99008, 100640, 107744, 114478, 123760, 130832, 134680, 140896, 153920, 163540, 176120, 201280, 215488, 228956, 247520, 261664, 269360, 281792, 286195, 327080, 352240, 457912, 495040, 523328, 538720, 572390, 654160, 704480, 915824, 1077440, 1144780, 1308320, 1408960, 1831648, 2289560, 2616640, 3663296, 4579120, 9158240, 18316480]

約数ペア:

[(1, 18316480), (2, 9158240), (4, 4579120), (5, 3663296), (7, 2616640), (8, 2289560), (10, 1831648), (13, 1408960), (14, 1308320), (16, 1144780), (17, 1077440), (20, 915824), (26, 704480), (28, 654160), (32, 572390), (34, 538720), (35, 523328), (37, 495040), (40, 457912), (52, 352240), (56, 327080), (64, 286195), (65, 281792), (68, 269360), (70, 261664), (74, 247520), (80, 228956), (85, 215488), (91, 201280), (104, 176120), (112, 163540), (119, 153920), (130, 140896), (136, 134680), (140, 130832), (148, 123760), (160, 114478), (170, 107744), (182, 100640), (185, 99008), (208, 88060), (221, 82880), (224, 81770), (238, 76960), (259, 70720), (260, 70448), (272, 67340), (280, 65416), (296, 61880), (320, 57239), (340, 53872), (364, 50320), (370, 49504), (416, 44030), (442, 41440), (448, 40885), (455, 40256), (476, 38480), (481, 38080), (518, 35360), (520, 35224), (544, 33670), (560, 32708), (592, 30940), (595, 30784), (629, 29120), (680, 26936), (728, 25160), (740, 24752), (832, 22015), (884, 20720), (910, 20128), (952, 19240), (962, 19040), (1036, 17680), (1040, 17612), (1088, 16835), (1105, 16576), (1120, 16354), (1184, 15470), (1190, 15392), (1258, 14560), (1295, 14144), (1360, 13468), (1456, 12580), (1480, 12376), (1547, 11840), (1768, 10360), (1820, 10064), (1904, 9620), (1924, 9520), (2072, 8840), (2080, 8806), (2210, 8288), (2240, 8177), (2368, 7735), (2380, 7696), (2405, 7616), (2516, 7280), (2590, 7072), (2720, 6734), (2912, 6290), (2960, 6188), (3094, 5920), (3145, 5824), (3367, 5440), (3536, 5180), (3640, 5032), (3808, 4810), (3848, 4760), (4144, 4420), (4160, 4403)]