210907980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{743}}^1$

素因数の和:860

約数の個数: 144

約数和(自身を含む): 682456320

約数和(自身を除く): 471548340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 83, 90, 95, 114, 166, 171, 180, 190, 228, 249, 285, 332, 342, 380, 415, 498, 570, 684, 743, 747, 830, 855, 996, 1140, 1245, 1486, 1494, 1577, 1660, 1710, 2229, 2490, 2972, 2988, 3154, 3420, 3715, 3735, 4458, 4731, 4980, 6308, 6687, 7430, 7470, 7885, 8916, 9462, 11145, 13374, 14117, 14193, 14860, 14940, 15770, 18924, 22290, 23655, 26748, 28234, 28386, 31540, 33435, 42351, 44580, 47310, 56468, 56772, 61669, 66870, 70585, 70965, 84702, 94620, 123338, 127053, 133740, 141170, 141930, 169404, 185007, 211755, 246676, 254106, 282340, 283860, 308345, 370014, 423510, 508212, 555021, 616690, 635265, 740028, 847020, 925035, 1110042, 1171711, 1233380, 1270530, 1850070, 2220084, 2343422, 2541060, 2775105, 3515133, 3700140, 4686844, 5550210, 5858555, 7030266, 10545399, 11100420, 11717110, 14060532, 17575665, 21090798, 23434220, 35151330, 42181596, 52726995, 70302660, 105453990, 210907980]

約数ペア:

[(1, 210907980), (2, 105453990), (3, 70302660), (4, 52726995), (5, 42181596), (6, 35151330), (9, 23434220), (10, 21090798), (12, 17575665), (15, 14060532), (18, 11717110), (19, 11100420), (20, 10545399), (30, 7030266), (36, 5858555), (38, 5550210), (45, 4686844), (57, 3700140), (60, 3515133), (76, 2775105), (83, 2541060), (90, 2343422), (95, 2220084), (114, 1850070), (166, 1270530), (171, 1233380), (180, 1171711), (190, 1110042), (228, 925035), (249, 847020), (285, 740028), (332, 635265), (342, 616690), (380, 555021), (415, 508212), (498, 423510), (570, 370014), (684, 308345), (743, 283860), (747, 282340), (830, 254106), (855, 246676), (996, 211755), (1140, 185007), (1245, 169404), (1486, 141930), (1494, 141170), (1577, 133740), (1660, 127053), (1710, 123338), (2229, 94620), (2490, 84702), (2972, 70965), (2988, 70585), (3154, 66870), (3420, 61669), (3715, 56772), (3735, 56468), (4458, 47310), (4731, 44580), (4980, 42351), (6308, 33435), (6687, 31540), (7430, 28386), (7470, 28234), (7885, 26748), (8916, 23655), (9462, 22290), (11145, 18924), (13374, 15770), (14117, 14940), (14193, 14860)]