131409720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:726

約数の個数: 192

約数和(自身を含む): 471350880

約数和(自身を除く): 339941160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 104, 117, 120, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 645, 653, 774, 780, 860, 936, 1032, 1118, 1170, 1290, 1306, 1548, 1560, 1677, 1720, 1935, 1959, 2236, 2340, 2580, 2612, 2795, 3096, 3265, 3354, 3870, 3918, 4472, 4680, 5031, 5160, 5224, 5590, 5877, 6530, 6708, 7740, 7836, 8385, 8489, 9795, 10062, 11180, 11754, 13060, 13416, 15480, 15672, 16770, 16978, 19590, 20124, 22360, 23508, 25155, 25467, 26120, 28079, 29385, 33540, 33956, 39180, 40248, 42445, 47016, 50310, 50934, 56158, 58770, 67080, 67912, 76401, 78360, 84237, 84890, 100620, 101868, 112316, 117540, 127335, 140395, 152802, 168474, 169780, 201240, 203736, 224632, 235080, 252711, 254670, 280790, 305604, 336948, 339560, 365027, 382005, 421185, 505422, 509340, 561580, 611208, 673896, 730054, 764010, 842370, 1010844, 1018680, 1095081, 1123160, 1263555, 1460108, 1528020, 1684740, 1825135, 2021688, 2190162, 2527110, 2920216, 3056040, 3285243, 3369480, 3650270, 4380324, 5054220, 5475405, 6570486, 7300540, 8760648, 10108440, 10950810, 13140972, 14601080, 16426215, 21901620, 26281944, 32852430, 43803240, 65704860, 131409720]

約数ペア:

[(1, 131409720), (2, 65704860), (3, 43803240), (4, 32852430), (5, 26281944), (6, 21901620), (8, 16426215), (9, 14601080), (10, 13140972), (12, 10950810), (13, 10108440), (15, 8760648), (18, 7300540), (20, 6570486), (24, 5475405), (26, 5054220), (30, 4380324), (36, 3650270), (39, 3369480), (40, 3285243), (43, 3056040), (45, 2920216), (52, 2527110), (60, 2190162), (65, 2021688), (72, 1825135), (78, 1684740), (86, 1528020), (90, 1460108), (104, 1263555), (117, 1123160), (120, 1095081), (129, 1018680), (130, 1010844), (156, 842370), (172, 764010), (180, 730054), (195, 673896), (215, 611208), (234, 561580), (258, 509340), (260, 505422), (312, 421185), (344, 382005), (360, 365027), (387, 339560), (390, 336948), (430, 305604), (468, 280790), (516, 254670), (520, 252711), (559, 235080), (585, 224632), (645, 203736), (653, 201240), (774, 169780), (780, 168474), (860, 152802), (936, 140395), (1032, 127335), (1118, 117540), (1170, 112316), (1290, 101868), (1306, 100620), (1548, 84890), (1560, 84237), (1677, 78360), (1720, 76401), (1935, 67912), (1959, 67080), (2236, 58770), (2340, 56158), (2580, 50934), (2612, 50310), (2795, 47016), (3096, 42445), (3265, 40248), (3354, 39180), (3870, 33956), (3918, 33540), (4472, 29385), (4680, 28079), (5031, 26120), (5160, 25467), (5224, 25155), (5590, 23508), (5877, 22360), (6530, 20124), (6708, 19590), (7740, 16978), (7836, 16770), (8385, 15672), (8489, 15480), (9795, 13416), (10062, 13060), (11180, 11754)]