21344328320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{153689}}^1$

素因数の和:153746

約数の個数: 128

約数和(自身を含む): 60197299200

約数和(自身を除く): 38852970880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 6944, 8680, 9920, 13888, 17360, 19840, 27776, 34720, 69440, 138880, 153689, 307378, 614756, 768445, 1075823, 1229512, 1536890, 2151646, 2459024, 3073780, 4303292, 4764359, 4918048, 5379115, 6147560, 8606584, 9528718, 9836096, 10758230, 12295120, 17213168, 19057436, 19672192, 21516460, 23821795, 24590240, 33350513, 34426336, 38114872, 43032920, 47643590, 49180480, 66701026, 68852672, 76229744, 86065840, 95287180, 98360960, 133402052, 137705344, 152459488, 166752565, 172131680, 190574360, 266804104, 304918976, 333505130, 344263360, 381148720, 533608208, 609837952, 667010260, 688526720, 762297440, 1067216416, 1334020520, 1524594880, 2134432832, 2668041040, 3049189760, 4268865664, 5336082080, 10672164160, 21344328320]

約数ペア:

[(1, 21344328320), (2, 10672164160), (4, 5336082080), (5, 4268865664), (7, 3049189760), (8, 2668041040), (10, 2134432832), (14, 1524594880), (16, 1334020520), (20, 1067216416), (28, 762297440), (31, 688526720), (32, 667010260), (35, 609837952), (40, 533608208), (56, 381148720), (62, 344263360), (64, 333505130), (70, 304918976), (80, 266804104), (112, 190574360), (124, 172131680), (128, 166752565), (140, 152459488), (155, 137705344), (160, 133402052), (217, 98360960), (224, 95287180), (248, 86065840), (280, 76229744), (310, 68852672), (320, 66701026), (434, 49180480), (448, 47643590), (496, 43032920), (560, 38114872), (620, 34426336), (640, 33350513), (868, 24590240), (896, 23821795), (992, 21516460), (1085, 19672192), (1120, 19057436), (1240, 17213168), (1736, 12295120), (1984, 10758230), (2170, 9836096), (2240, 9528718), (2480, 8606584), (3472, 6147560), (3968, 5379115), (4340, 4918048), (4480, 4764359), (4960, 4303292), (6944, 3073780), (8680, 2459024), (9920, 2151646), (13888, 1536890), (17360, 1229512), (19840, 1075823), (27776, 768445), (34720, 614756), (69440, 307378), (138880, 153689)]