203817420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1624

約数の個数: 144

約数和(自身を含む): 670269600

約数和(自身を除く): 466452180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 255, 258, 306, 340, 387, 430, 510, 516, 612, 645, 731, 765, 774, 860, 1020, 1290, 1462, 1530, 1548, 1549, 1935, 2193, 2580, 2924, 3060, 3098, 3655, 3870, 4386, 4647, 6196, 6579, 7310, 7740, 7745, 8772, 9294, 10965, 13158, 13941, 14620, 15490, 18588, 21930, 23235, 26316, 26333, 27882, 30980, 32895, 43860, 46470, 52666, 55764, 65790, 66607, 69705, 78999, 92940, 105332, 131580, 131665, 133214, 139410, 157998, 199821, 236997, 263330, 266428, 278820, 315996, 333035, 394995, 399642, 473994, 526660, 599463, 666070, 789990, 799284, 947988, 999105, 1132319, 1184985, 1198926, 1332140, 1579980, 1998210, 2264638, 2369970, 2397852, 2997315, 3396957, 3996420, 4529276, 4739940, 5661595, 5994630, 6793914, 10190871, 11323190, 11989260, 13587828, 16984785, 20381742, 22646380, 33969570, 40763484, 50954355, 67939140, 101908710, 203817420]

約数ペア:

[(1, 203817420), (2, 101908710), (3, 67939140), (4, 50954355), (5, 40763484), (6, 33969570), (9, 22646380), (10, 20381742), (12, 16984785), (15, 13587828), (17, 11989260), (18, 11323190), (20, 10190871), (30, 6793914), (34, 5994630), (36, 5661595), (43, 4739940), (45, 4529276), (51, 3996420), (60, 3396957), (68, 2997315), (85, 2397852), (86, 2369970), (90, 2264638), (102, 1998210), (129, 1579980), (153, 1332140), (170, 1198926), (172, 1184985), (180, 1132319), (204, 999105), (215, 947988), (255, 799284), (258, 789990), (306, 666070), (340, 599463), (387, 526660), (430, 473994), (510, 399642), (516, 394995), (612, 333035), (645, 315996), (731, 278820), (765, 266428), (774, 263330), (860, 236997), (1020, 199821), (1290, 157998), (1462, 139410), (1530, 133214), (1548, 131665), (1549, 131580), (1935, 105332), (2193, 92940), (2580, 78999), (2924, 69705), (3060, 66607), (3098, 65790), (3655, 55764), (3870, 52666), (4386, 46470), (4647, 43860), (6196, 32895), (6579, 30980), (7310, 27882), (7740, 26333), (7745, 26316), (8772, 23235), (9294, 21930), (10965, 18588), (13158, 15490), (13941, 14620)]