289684980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2879}}^1$

素因数の和:2950

約数の個数: 144

約数和(自身を含む): 968647680

約数和(自身を除く): 678962700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 387, 390, 430, 468, 516, 559, 585, 645, 774, 780, 860, 1118, 1170, 1290, 1548, 1677, 1935, 2236, 2340, 2580, 2795, 2879, 3354, 3870, 5031, 5590, 5758, 6708, 7740, 8385, 8637, 10062, 11180, 11516, 14395, 16770, 17274, 20124, 25155, 25911, 28790, 33540, 34548, 37427, 43185, 50310, 51822, 57580, 74854, 86370, 100620, 103644, 112281, 123797, 129555, 149708, 172740, 187135, 224562, 247594, 259110, 336843, 371391, 374270, 449124, 495188, 518220, 561405, 618985, 673686, 742782, 748540, 1114173, 1122810, 1237970, 1347372, 1485564, 1609361, 1684215, 1856955, 2228346, 2245620, 2475940, 3218722, 3368430, 3713910, 4456692, 4828083, 5570865, 6437444, 6736860, 7427820, 8046805, 9656166, 11141730, 14484249, 16093610, 19312332, 22283460, 24140415, 28968498, 32187220, 48280830, 57936996, 72421245, 96561660, 144842490, 289684980]

約数ペア:

[(1, 289684980), (2, 144842490), (3, 96561660), (4, 72421245), (5, 57936996), (6, 48280830), (9, 32187220), (10, 28968498), (12, 24140415), (13, 22283460), (15, 19312332), (18, 16093610), (20, 14484249), (26, 11141730), (30, 9656166), (36, 8046805), (39, 7427820), (43, 6736860), (45, 6437444), (52, 5570865), (60, 4828083), (65, 4456692), (78, 3713910), (86, 3368430), (90, 3218722), (117, 2475940), (129, 2245620), (130, 2228346), (156, 1856955), (172, 1684215), (180, 1609361), (195, 1485564), (215, 1347372), (234, 1237970), (258, 1122810), (260, 1114173), (387, 748540), (390, 742782), (430, 673686), (468, 618985), (516, 561405), (559, 518220), (585, 495188), (645, 449124), (774, 374270), (780, 371391), (860, 336843), (1118, 259110), (1170, 247594), (1290, 224562), (1548, 187135), (1677, 172740), (1935, 149708), (2236, 129555), (2340, 123797), (2580, 112281), (2795, 103644), (2879, 100620), (3354, 86370), (3870, 74854), (5031, 57580), (5590, 51822), (5758, 50310), (6708, 43185), (7740, 37427), (8385, 34548), (8637, 33540), (10062, 28790), (11180, 25911), (11516, 25155), (14395, 20124), (16770, 17274)]