1284838880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{251}}^1$

素因数の和:409

約数の個数: 192

約数和(自身を含む): 3456649728

約数和(自身を除く): 2171810848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 65, 80, 92, 104, 107, 115, 130, 160, 184, 208, 214, 230, 251, 260, 299, 368, 416, 428, 460, 502, 520, 535, 598, 736, 856, 920, 1004, 1040, 1070, 1196, 1255, 1391, 1495, 1712, 1840, 2008, 2080, 2140, 2392, 2461, 2510, 2782, 2990, 3263, 3424, 3680, 4016, 4280, 4784, 4922, 5020, 5564, 5773, 5980, 6526, 6955, 8032, 8560, 9568, 9844, 10040, 11128, 11546, 11960, 12305, 13052, 13910, 16315, 17120, 19688, 20080, 22256, 23092, 23920, 24610, 26104, 26857, 27820, 28865, 31993, 32630, 39376, 40160, 44512, 46184, 47840, 49220, 52208, 53714, 55640, 57730, 63986, 65260, 75049, 78752, 92368, 98440, 104416, 107428, 111280, 115460, 127972, 130520, 134285, 150098, 159965, 184736, 196880, 214856, 222560, 230920, 255944, 261040, 268570, 300196, 319930, 349141, 375245, 393760, 429712, 461840, 511888, 522080, 537140, 600392, 617711, 639860, 698282, 750490, 859424, 923680, 1023776, 1074280, 1200784, 1235422, 1279720, 1396564, 1500980, 1745705, 2148560, 2401568, 2470844, 2559440, 2793128, 3001960, 3088555, 3491410, 4297120, 4941688, 5118880, 5586256, 6003920, 6177110, 6982820, 8030243, 9883376, 11172512, 12007840, 12354220, 13965640, 16060486, 19766752, 24708440, 27931280, 32120972, 40151215, 49416880, 55862560, 64241944, 80302430, 98833760, 128483888, 160604860, 256967776, 321209720, 642419440, 1284838880]

約数ペア:

[(1, 1284838880), (2, 642419440), (4, 321209720), (5, 256967776), (8, 160604860), (10, 128483888), (13, 98833760), (16, 80302430), (20, 64241944), (23, 55862560), (26, 49416880), (32, 40151215), (40, 32120972), (46, 27931280), (52, 24708440), (65, 19766752), (80, 16060486), (92, 13965640), (104, 12354220), (107, 12007840), (115, 11172512), (130, 9883376), (160, 8030243), (184, 6982820), (208, 6177110), (214, 6003920), (230, 5586256), (251, 5118880), (260, 4941688), (299, 4297120), (368, 3491410), (416, 3088555), (428, 3001960), (460, 2793128), (502, 2559440), (520, 2470844), (535, 2401568), (598, 2148560), (736, 1745705), (856, 1500980), (920, 1396564), (1004, 1279720), (1040, 1235422), (1070, 1200784), (1196, 1074280), (1255, 1023776), (1391, 923680), (1495, 859424), (1712, 750490), (1840, 698282), (2008, 639860), (2080, 617711), (2140, 600392), (2392, 537140), (2461, 522080), (2510, 511888), (2782, 461840), (2990, 429712), (3263, 393760), (3424, 375245), (3680, 349141), (4016, 319930), (4280, 300196), (4784, 268570), (4922, 261040), (5020, 255944), (5564, 230920), (5773, 222560), (5980, 214856), (6526, 196880), (6955, 184736), (8032, 159965), (8560, 150098), (9568, 134285), (9844, 130520), (10040, 127972), (11128, 115460), (11546, 111280), (11960, 107428), (12305, 104416), (13052, 98440), (13910, 92368), (16315, 78752), (17120, 75049), (19688, 65260), (20080, 63986), (22256, 57730), (23092, 55640), (23920, 53714), (24610, 52208), (26104, 49220), (26857, 47840), (27820, 46184), (28865, 44512), (31993, 40160), (32630, 39376)]