28465403520

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{644597}}^1$

素因数の和:644642

約数の個数: 128

約数和(自身を含む): 94678554240

約数和(自身を除く): 66213150720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 736, 920, 960, 1104, 1380, 1472, 1840, 1920, 2208, 2760, 2944, 3680, 4416, 5520, 7360, 8832, 11040, 14720, 22080, 44160, 644597, 1289194, 1933791, 2578388, 3222985, 3867582, 5156776, 6445970, 7735164, 9668955, 10313552, 12891940, 14825731, 15470328, 19337910, 20627104, 25783880, 29651462, 30940656, 38675820, 41254208, 44477193, 51567760, 59302924, 61881312, 74128655, 77351640, 82508416, 88954386, 103135520, 118605848, 123762624, 148257310, 154703280, 177908772, 206271040, 222385965, 237211696, 247525248, 296514620, 309406560, 355817544, 412542080, 444771930, 474423392, 593029240, 618813120, 711635088, 889543860, 948846784, 1186058480, 1237626240, 1423270176, 1779087720, 1897693568, 2372116960, 2846540352, 3558175440, 4744233920, 5693080704, 7116350880, 9488467840, 14232701760, 28465403520]

約数ペア:

[(1, 28465403520), (2, 14232701760), (3, 9488467840), (4, 7116350880), (5, 5693080704), (6, 4744233920), (8, 3558175440), (10, 2846540352), (12, 2372116960), (15, 1897693568), (16, 1779087720), (20, 1423270176), (23, 1237626240), (24, 1186058480), (30, 948846784), (32, 889543860), (40, 711635088), (46, 618813120), (48, 593029240), (60, 474423392), (64, 444771930), (69, 412542080), (80, 355817544), (92, 309406560), (96, 296514620), (115, 247525248), (120, 237211696), (128, 222385965), (138, 206271040), (160, 177908772), (184, 154703280), (192, 148257310), (230, 123762624), (240, 118605848), (276, 103135520), (320, 88954386), (345, 82508416), (368, 77351640), (384, 74128655), (460, 61881312), (480, 59302924), (552, 51567760), (640, 44477193), (690, 41254208), (736, 38675820), (920, 30940656), (960, 29651462), (1104, 25783880), (1380, 20627104), (1472, 19337910), (1840, 15470328), (1920, 14825731), (2208, 12891940), (2760, 10313552), (2944, 9668955), (3680, 7735164), (4416, 6445970), (5520, 5156776), (7360, 3867582), (8832, 3222985), (11040, 2578388), (14720, 1933791), (22080, 1289194), (44160, 644597)]