19899600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 240

約数和(自身を含む): 76756992

約数和(自身を除く): 56857392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 48, 50, 56, 60, 69, 70, 75, 80, 84, 92, 100, 103, 105, 112, 115, 120, 138, 140, 150, 161, 168, 175, 184, 200, 206, 210, 230, 240, 276, 280, 300, 309, 322, 336, 345, 350, 368, 400, 412, 420, 460, 483, 515, 525, 552, 560, 575, 600, 618, 644, 690, 700, 721, 805, 824, 840, 920, 966, 1030, 1050, 1104, 1150, 1200, 1236, 1288, 1380, 1400, 1442, 1545, 1610, 1648, 1680, 1725, 1840, 1932, 2060, 2100, 2163, 2300, 2369, 2415, 2472, 2575, 2576, 2760, 2800, 2884, 3090, 3220, 3450, 3605, 3864, 4025, 4120, 4200, 4326, 4600, 4738, 4830, 4944, 5150, 5520, 5768, 6180, 6440, 6900, 7107, 7210, 7725, 7728, 8050, 8240, 8400, 8652, 9200, 9476, 9660, 10300, 10815, 11536, 11845, 12075, 12360, 12880, 13800, 14214, 14420, 15450, 16100, 16583, 17304, 18025, 18952, 19320, 20600, 21630, 23690, 24150, 24720, 27600, 28428, 28840, 30900, 32200, 33166, 34608, 35535, 36050, 37904, 38640, 41200, 43260, 47380, 48300, 49749, 54075, 56856, 57680, 59225, 61800, 64400, 66332, 71070, 72100, 82915, 86520, 94760, 96600, 99498, 108150, 113712, 118450, 123600, 132664, 142140, 144200, 165830, 173040, 177675, 189520, 193200, 198996, 216300, 236900, 248745, 265328, 284280, 288400, 331660, 355350, 397992, 414575, 432600, 473800, 497490, 568560, 663320, 710700, 795984, 829150, 865200, 947600, 994980, 1243725, 1326640, 1421400, 1658300, 1989960, 2487450, 2842800, 3316600, 3979920, 4974900, 6633200, 9949800, 19899600]

約数ペア:

[(1, 19899600), (2, 9949800), (3, 6633200), (4, 4974900), (5, 3979920), (6, 3316600), (7, 2842800), (8, 2487450), (10, 1989960), (12, 1658300), (14, 1421400), (15, 1326640), (16, 1243725), (20, 994980), (21, 947600), (23, 865200), (24, 829150), (25, 795984), (28, 710700), (30, 663320), (35, 568560), (40, 497490), (42, 473800), (46, 432600), (48, 414575), (50, 397992), (56, 355350), (60, 331660), (69, 288400), (70, 284280), (75, 265328), (80, 248745), (84, 236900), (92, 216300), (100, 198996), (103, 193200), (105, 189520), (112, 177675), (115, 173040), (120, 165830), (138, 144200), (140, 142140), (150, 132664), (161, 123600), (168, 118450), (175, 113712), (184, 108150), (200, 99498), (206, 96600), (210, 94760), (230, 86520), (240, 82915), (276, 72100), (280, 71070), (300, 66332), (309, 64400), (322, 61800), (336, 59225), (345, 57680), (350, 56856), (368, 54075), (400, 49749), (412, 48300), (420, 47380), (460, 43260), (483, 41200), (515, 38640), (525, 37904), (552, 36050), (560, 35535), (575, 34608), (600, 33166), (618, 32200), (644, 30900), (690, 28840), (700, 28428), (721, 27600), (805, 24720), (824, 24150), (840, 23690), (920, 21630), (966, 20600), (1030, 19320), (1050, 18952), (1104, 18025), (1150, 17304), (1200, 16583), (1236, 16100), (1288, 15450), (1380, 14420), (1400, 14214), (1442, 13800), (1545, 12880), (1610, 12360), (1648, 12075), (1680, 11845), (1725, 11536), (1840, 10815), (1932, 10300), (2060, 9660), (2100, 9476), (2163, 9200), (2300, 8652), (2369, 8400), (2415, 8240), (2472, 8050), (2575, 7728), (2576, 7725), (2760, 7210), (2800, 7107), (2884, 6900), (3090, 6440), (3220, 6180), (3450, 5768), (3605, 5520), (3864, 5150), (4025, 4944), (4120, 4830), (4200, 4738), (4326, 4600)]