256449420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1949}}^1$

素因数の和:2024

約数の個数: 144

約数和(自身を含む): 843242400

約数和(自身を除く): 586792980

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, 1935, 1949, 2193, 2580, 2924, 3060, 3655, 3870, 3898, 4386, 5847, 6579, 7310, 7740, 7796, 8772, 9745, 10965, 11694, 13158, 14620, 17541, 19490, 21930, 23388, 26316, 29235, 32895, 33133, 35082, 38980, 43860, 58470, 65790, 66266, 70164, 83807, 87705, 99399, 116940, 131580, 132532, 165665, 167614, 175410, 198798, 251421, 298197, 331330, 335228, 350820, 397596, 419035, 496995, 502842, 596394, 662660, 754263, 838070, 993990, 1005684, 1192788, 1257105, 1424719, 1490985, 1508526, 1676140, 1987980, 2514210, 2849438, 2981970, 3017052, 3771315, 4274157, 5028420, 5698876, 5963940, 7123595, 7542630, 8548314, 12822471, 14247190, 15085260, 17096628, 21370785, 25644942, 28494380, 42741570, 51289884, 64112355, 85483140, 128224710, 256449420]

約数ペア:

[(1, 256449420), (2, 128224710), (3, 85483140), (4, 64112355), (5, 51289884), (6, 42741570), (9, 28494380), (10, 25644942), (12, 21370785), (15, 17096628), (17, 15085260), (18, 14247190), (20, 12822471), (30, 8548314), (34, 7542630), (36, 7123595), (43, 5963940), (45, 5698876), (51, 5028420), (60, 4274157), (68, 3771315), (85, 3017052), (86, 2981970), (90, 2849438), (102, 2514210), (129, 1987980), (153, 1676140), (170, 1508526), (172, 1490985), (180, 1424719), (204, 1257105), (215, 1192788), (255, 1005684), (258, 993990), (306, 838070), (340, 754263), (387, 662660), (430, 596394), (510, 502842), (516, 496995), (612, 419035), (645, 397596), (731, 350820), (765, 335228), (774, 331330), (860, 298197), (1020, 251421), (1290, 198798), (1462, 175410), (1530, 167614), (1548, 165665), (1935, 132532), (1949, 131580), (2193, 116940), (2580, 99399), (2924, 87705), (3060, 83807), (3655, 70164), (3870, 66266), (3898, 65790), (4386, 58470), (5847, 43860), (6579, 38980), (7310, 35082), (7740, 33133), (7796, 32895), (8772, 29235), (9745, 26316), (10965, 23388), (11694, 21930), (13158, 19490), (14620, 17541)]