245409780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{439}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 865751040

約数和(自身を除く): 620341260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 439, 462, 484, 605, 660, 726, 770, 847, 878, 924, 1155, 1210, 1317, 1331, 1452, 1540, 1694, 1756, 1815, 2195, 2310, 2420, 2541, 2634, 2662, 3073, 3388, 3630, 3993, 4235, 4390, 4620, 4829, 5082, 5268, 5324, 6146, 6585, 6655, 7260, 7986, 8470, 8780, 9219, 9317, 9658, 10164, 12292, 12705, 13170, 13310, 14487, 15365, 15972, 16940, 18438, 18634, 19316, 19965, 24145, 25410, 26340, 26620, 27951, 28974, 30730, 33803, 36876, 37268, 39930, 46095, 46585, 48290, 50820, 53119, 55902, 57948, 61460, 67606, 72435, 79860, 92190, 93170, 96580, 101409, 106238, 111804, 135212, 139755, 144870, 159357, 169015, 184380, 186340, 202818, 212476, 265595, 279510, 289740, 318714, 338030, 371833, 405636, 507045, 531190, 559020, 584309, 637428, 676060, 743666, 796785, 1014090, 1062380, 1115499, 1168618, 1487332, 1593570, 1752927, 1859165, 2028180, 2230998, 2337236, 2921545, 3187140, 3505854, 3718330, 4090163, 4461996, 5577495, 5843090, 7011708, 7436660, 8180326, 8764635, 11154990, 11686180, 12270489, 16360652, 17529270, 20450815, 22309980, 24540978, 35058540, 40901630, 49081956, 61352445, 81803260, 122704890, 245409780]

約数ペア:

[(1, 245409780), (2, 122704890), (3, 81803260), (4, 61352445), (5, 49081956), (6, 40901630), (7, 35058540), (10, 24540978), (11, 22309980), (12, 20450815), (14, 17529270), (15, 16360652), (20, 12270489), (21, 11686180), (22, 11154990), (28, 8764635), (30, 8180326), (33, 7436660), (35, 7011708), (42, 5843090), (44, 5577495), (55, 4461996), (60, 4090163), (66, 3718330), (70, 3505854), (77, 3187140), (84, 2921545), (105, 2337236), (110, 2230998), (121, 2028180), (132, 1859165), (140, 1752927), (154, 1593570), (165, 1487332), (210, 1168618), (220, 1115499), (231, 1062380), (242, 1014090), (308, 796785), (330, 743666), (363, 676060), (385, 637428), (420, 584309), (439, 559020), (462, 531190), (484, 507045), (605, 405636), (660, 371833), (726, 338030), (770, 318714), (847, 289740), (878, 279510), (924, 265595), (1155, 212476), (1210, 202818), (1317, 186340), (1331, 184380), (1452, 169015), (1540, 159357), (1694, 144870), (1756, 139755), (1815, 135212), (2195, 111804), (2310, 106238), (2420, 101409), (2541, 96580), (2634, 93170), (2662, 92190), (3073, 79860), (3388, 72435), (3630, 67606), (3993, 61460), (4235, 57948), (4390, 55902), (4620, 53119), (4829, 50820), (5082, 48290), (5268, 46585), (5324, 46095), (6146, 39930), (6585, 37268), (6655, 36876), (7260, 33803), (7986, 30730), (8470, 28974), (8780, 27951), (9219, 26620), (9317, 26340), (9658, 25410), (10164, 24145), (12292, 19965), (12705, 19316), (13170, 18634), (13310, 18438), (14487, 16940), (15365, 15972)]