25921260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 85621536

約数和(自身を除く): 59700276

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, 197, 204, 215, 255, 258, 306, 340, 387, 394, 430, 510, 516, 591, 612, 645, 731, 765, 774, 788, 860, 985, 1020, 1182, 1290, 1462, 1530, 1548, 1773, 1935, 1970, 2193, 2364, 2580, 2924, 2955, 3060, 3349, 3546, 3655, 3870, 3940, 4386, 5910, 6579, 6698, 7092, 7310, 7740, 8471, 8772, 8865, 10047, 10965, 11820, 13158, 13396, 14620, 16745, 16942, 17730, 20094, 21930, 25413, 26316, 30141, 32895, 33490, 33884, 35460, 40188, 42355, 43860, 50235, 50826, 60282, 65790, 66980, 76239, 84710, 100470, 101652, 120564, 127065, 131580, 144007, 150705, 152478, 169420, 200940, 254130, 288014, 301410, 304956, 381195, 432021, 508260, 576028, 602820, 720035, 762390, 864042, 1296063, 1440070, 1524780, 1728084, 2160105, 2592126, 2880140, 4320210, 5184252, 6480315, 8640420, 12960630, 25921260]

約数ペア:

[(1, 25921260), (2, 12960630), (3, 8640420), (4, 6480315), (5, 5184252), (6, 4320210), (9, 2880140), (10, 2592126), (12, 2160105), (15, 1728084), (17, 1524780), (18, 1440070), (20, 1296063), (30, 864042), (34, 762390), (36, 720035), (43, 602820), (45, 576028), (51, 508260), (60, 432021), (68, 381195), (85, 304956), (86, 301410), (90, 288014), (102, 254130), (129, 200940), (153, 169420), (170, 152478), (172, 150705), (180, 144007), (197, 131580), (204, 127065), (215, 120564), (255, 101652), (258, 100470), (306, 84710), (340, 76239), (387, 66980), (394, 65790), (430, 60282), (510, 50826), (516, 50235), (591, 43860), (612, 42355), (645, 40188), (731, 35460), (765, 33884), (774, 33490), (788, 32895), (860, 30141), (985, 26316), (1020, 25413), (1182, 21930), (1290, 20094), (1462, 17730), (1530, 16942), (1548, 16745), (1773, 14620), (1935, 13396), (1970, 13158), (2193, 11820), (2364, 10965), (2580, 10047), (2924, 8865), (2955, 8772), (3060, 8471), (3349, 7740), (3546, 7310), (3655, 7092), (3870, 6698), (3940, 6579), (4386, 5910)]