171791880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 573946560

約数和(自身を除く): 402154680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 169, 172, 195, 197, 215, 258, 260, 312, 338, 344, 390, 394, 430, 507, 516, 520, 559, 591, 645, 676, 780, 788, 845, 860, 985, 1014, 1032, 1118, 1182, 1290, 1352, 1560, 1576, 1677, 1690, 1720, 1970, 2028, 2236, 2364, 2535, 2561, 2580, 2795, 2955, 3354, 3380, 3940, 4056, 4472, 4728, 5070, 5122, 5160, 5590, 5910, 6708, 6760, 7267, 7683, 7880, 8385, 8471, 10140, 10244, 11180, 11820, 12805, 13416, 14534, 15366, 16770, 16942, 20280, 20488, 21801, 22360, 23640, 25413, 25610, 29068, 30732, 33293, 33540, 33884, 36335, 38415, 42355, 43602, 50826, 51220, 58136, 61464, 66586, 67080, 67768, 72670, 76830, 84710, 87204, 99879, 101652, 102440, 109005, 110123, 127065, 133172, 145340, 153660, 166465, 169420, 174408, 199758, 203304, 218010, 220246, 254130, 266344, 290680, 307320, 330369, 332930, 338840, 399516, 436020, 440492, 499395, 508260, 550615, 660738, 665860, 799032, 872040, 880984, 998790, 1016520, 1101230, 1321476, 1331720, 1431599, 1651845, 1997580, 2202460, 2642952, 2863198, 3303690, 3995160, 4294797, 4404920, 5726396, 6607380, 7157995, 8589594, 11452792, 13214760, 14315990, 17179188, 21473985, 28631980, 34358376, 42947970, 57263960, 85895940, 171791880]

約数ペア:

[(1, 171791880), (2, 85895940), (3, 57263960), (4, 42947970), (5, 34358376), (6, 28631980), (8, 21473985), (10, 17179188), (12, 14315990), (13, 13214760), (15, 11452792), (20, 8589594), (24, 7157995), (26, 6607380), (30, 5726396), (39, 4404920), (40, 4294797), (43, 3995160), (52, 3303690), (60, 2863198), (65, 2642952), (78, 2202460), (86, 1997580), (104, 1651845), (120, 1431599), (129, 1331720), (130, 1321476), (156, 1101230), (169, 1016520), (172, 998790), (195, 880984), (197, 872040), (215, 799032), (258, 665860), (260, 660738), (312, 550615), (338, 508260), (344, 499395), (390, 440492), (394, 436020), (430, 399516), (507, 338840), (516, 332930), (520, 330369), (559, 307320), (591, 290680), (645, 266344), (676, 254130), (780, 220246), (788, 218010), (845, 203304), (860, 199758), (985, 174408), (1014, 169420), (1032, 166465), (1118, 153660), (1182, 145340), (1290, 133172), (1352, 127065), (1560, 110123), (1576, 109005), (1677, 102440), (1690, 101652), (1720, 99879), (1970, 87204), (2028, 84710), (2236, 76830), (2364, 72670), (2535, 67768), (2561, 67080), (2580, 66586), (2795, 61464), (2955, 58136), (3354, 51220), (3380, 50826), (3940, 43602), (4056, 42355), (4472, 38415), (4728, 36335), (5070, 33884), (5122, 33540), (5160, 33293), (5590, 30732), (5910, 29068), (6708, 25610), (6760, 25413), (7267, 23640), (7683, 22360), (7880, 21801), (8385, 20488), (8471, 20280), (10140, 16942), (10244, 16770), (11180, 15366), (11820, 14534), (12805, 13416)]