280051260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 878169600

約数和(自身を除く): 598118340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 29, 30, 38, 43, 57, 58, 60, 76, 86, 87, 95, 114, 116, 129, 145, 172, 174, 190, 197, 215, 228, 258, 285, 290, 348, 380, 394, 430, 435, 516, 551, 570, 580, 591, 645, 788, 817, 860, 870, 985, 1102, 1140, 1182, 1247, 1290, 1634, 1653, 1740, 1970, 2204, 2364, 2451, 2494, 2580, 2755, 2955, 3268, 3306, 3741, 3743, 3940, 4085, 4902, 4988, 5510, 5713, 5910, 6235, 6612, 7482, 7486, 8170, 8265, 8471, 9804, 11020, 11229, 11426, 11820, 12255, 12470, 14964, 14972, 16340, 16530, 16942, 17139, 18705, 18715, 22458, 22852, 23693, 24510, 24940, 25413, 28565, 33060, 33884, 34278, 37410, 37430, 42355, 44916, 47386, 49020, 50826, 56145, 57130, 68556, 71079, 74820, 74860, 84710, 85695, 94772, 101652, 108547, 112290, 114260, 118465, 127065, 142158, 160949, 169420, 171390, 217094, 224580, 236930, 245659, 254130, 284316, 321898, 325641, 342780, 355395, 434188, 473860, 482847, 491318, 508260, 542735, 643796, 651282, 710790, 736977, 804745, 965694, 982636, 1085470, 1228295, 1302564, 1421580, 1473954, 1609490, 1628205, 1931388, 2170940, 2414235, 2456590, 2947908, 3218980, 3256410, 3684885, 4667521, 4828470, 4913180, 6512820, 7369770, 9335042, 9656940, 14002563, 14739540, 18670084, 23337605, 28005126, 46675210, 56010252, 70012815, 93350420, 140025630, 280051260]

約数ペア:

[(1, 280051260), (2, 140025630), (3, 93350420), (4, 70012815), (5, 56010252), (6, 46675210), (10, 28005126), (12, 23337605), (15, 18670084), (19, 14739540), (20, 14002563), (29, 9656940), (30, 9335042), (38, 7369770), (43, 6512820), (57, 4913180), (58, 4828470), (60, 4667521), (76, 3684885), (86, 3256410), (87, 3218980), (95, 2947908), (114, 2456590), (116, 2414235), (129, 2170940), (145, 1931388), (172, 1628205), (174, 1609490), (190, 1473954), (197, 1421580), (215, 1302564), (228, 1228295), (258, 1085470), (285, 982636), (290, 965694), (348, 804745), (380, 736977), (394, 710790), (430, 651282), (435, 643796), (516, 542735), (551, 508260), (570, 491318), (580, 482847), (591, 473860), (645, 434188), (788, 355395), (817, 342780), (860, 325641), (870, 321898), (985, 284316), (1102, 254130), (1140, 245659), (1182, 236930), (1247, 224580), (1290, 217094), (1634, 171390), (1653, 169420), (1740, 160949), (1970, 142158), (2204, 127065), (2364, 118465), (2451, 114260), (2494, 112290), (2580, 108547), (2755, 101652), (2955, 94772), (3268, 85695), (3306, 84710), (3741, 74860), (3743, 74820), (3940, 71079), (4085, 68556), (4902, 57130), (4988, 56145), (5510, 50826), (5713, 49020), (5910, 47386), (6235, 44916), (6612, 42355), (7482, 37430), (7486, 37410), (8170, 34278), (8265, 33884), (8471, 33060), (9804, 28565), (11020, 25413), (11229, 24940), (11426, 24510), (11820, 23693), (12255, 22852), (12470, 22458), (14964, 18715), (14972, 18705), (16340, 17139), (16530, 16942)]