208575720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{197}}^1$

素因数の和:404

約数の個数: 192

約数和(自身を含む): 725559120

約数和(自身を除く): 516983400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 173, 180, 197, 204, 255, 306, 340, 346, 360, 394, 408, 510, 519, 591, 612, 680, 692, 765, 788, 865, 985, 1020, 1038, 1182, 1224, 1384, 1530, 1557, 1576, 1730, 1773, 1970, 2040, 2076, 2364, 2595, 2941, 2955, 3060, 3114, 3349, 3460, 3546, 3940, 4152, 4728, 5190, 5882, 5910, 6120, 6228, 6698, 6920, 7092, 7785, 7880, 8823, 8865, 10047, 10380, 11764, 11820, 12456, 13396, 14184, 14705, 15570, 16745, 17646, 17730, 20094, 20760, 23528, 23640, 26469, 26792, 29410, 30141, 31140, 33490, 34081, 35292, 35460, 40188, 44115, 50235, 52938, 58820, 60282, 62280, 66980, 68162, 70584, 70920, 80376, 88230, 100470, 102243, 105876, 117640, 120564, 132345, 133960, 136324, 150705, 170405, 176460, 200940, 204486, 211752, 241128, 264690, 272648, 301410, 306729, 340810, 352920, 401880, 408972, 511215, 529380, 579377, 602820, 613458, 681620, 817944, 1022430, 1058760, 1158754, 1205640, 1226916, 1363240, 1533645, 1738131, 2044860, 2317508, 2453832, 2896885, 3067290, 3476262, 4089720, 4635016, 5214393, 5793770, 6134580, 6952524, 8690655, 10428786, 11587540, 12269160, 13905048, 17381310, 20857572, 23175080, 26071965, 34762620, 41715144, 52143930, 69525240, 104287860, 208575720]

約数ペア:

[(1, 208575720), (2, 104287860), (3, 69525240), (4, 52143930), (5, 41715144), (6, 34762620), (8, 26071965), (9, 23175080), (10, 20857572), (12, 17381310), (15, 13905048), (17, 12269160), (18, 11587540), (20, 10428786), (24, 8690655), (30, 6952524), (34, 6134580), (36, 5793770), (40, 5214393), (45, 4635016), (51, 4089720), (60, 3476262), (68, 3067290), (72, 2896885), (85, 2453832), (90, 2317508), (102, 2044860), (120, 1738131), (136, 1533645), (153, 1363240), (170, 1226916), (173, 1205640), (180, 1158754), (197, 1058760), (204, 1022430), (255, 817944), (306, 681620), (340, 613458), (346, 602820), (360, 579377), (394, 529380), (408, 511215), (510, 408972), (519, 401880), (591, 352920), (612, 340810), (680, 306729), (692, 301410), (765, 272648), (788, 264690), (865, 241128), (985, 211752), (1020, 204486), (1038, 200940), (1182, 176460), (1224, 170405), (1384, 150705), (1530, 136324), (1557, 133960), (1576, 132345), (1730, 120564), (1773, 117640), (1970, 105876), (2040, 102243), (2076, 100470), (2364, 88230), (2595, 80376), (2941, 70920), (2955, 70584), (3060, 68162), (3114, 66980), (3349, 62280), (3460, 60282), (3546, 58820), (3940, 52938), (4152, 50235), (4728, 44115), (5190, 40188), (5882, 35460), (5910, 35292), (6120, 34081), (6228, 33490), (6698, 31140), (6920, 30141), (7092, 29410), (7785, 26792), (7880, 26469), (8823, 23640), (8865, 23528), (10047, 20760), (10380, 20094), (11764, 17730), (11820, 17646), (12456, 16745), (13396, 15570), (14184, 14705)]