221471640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1346

約数の個数: 192

約数和(自身を含む): 796723200

約数和(自身を除く): 575251560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 37, 39, 40, 45, 52, 60, 65, 72, 74, 78, 90, 104, 111, 117, 120, 130, 148, 156, 180, 185, 195, 222, 234, 260, 296, 312, 333, 360, 370, 390, 444, 468, 481, 520, 555, 585, 666, 740, 780, 888, 936, 962, 1110, 1170, 1279, 1332, 1443, 1480, 1560, 1665, 1924, 2220, 2340, 2405, 2558, 2664, 2886, 3330, 3837, 3848, 4329, 4440, 4680, 4810, 5116, 5772, 6395, 6660, 7215, 7674, 8658, 9620, 10232, 11511, 11544, 12790, 13320, 14430, 15348, 16627, 17316, 19185, 19240, 21645, 23022, 25580, 28860, 30696, 33254, 34632, 38370, 43290, 46044, 47323, 49881, 51160, 57555, 57720, 66508, 76740, 83135, 86580, 92088, 94646, 99762, 115110, 133016, 141969, 149643, 153480, 166270, 173160, 189292, 199524, 230220, 236615, 249405, 283938, 299286, 332540, 378584, 399048, 425907, 460440, 473230, 498810, 567876, 598572, 615199, 665080, 709845, 748215, 851814, 946460, 997620, 1135752, 1197144, 1230398, 1419690, 1496430, 1703628, 1845597, 1892920, 1995240, 2129535, 2460796, 2839380, 2992860, 3075995, 3407256, 3691194, 4259070, 4921592, 5536791, 5678760, 5985720, 6151990, 7382388, 8518140, 9227985, 11073582, 12303980, 14764776, 17036280, 18455970, 22147164, 24607960, 27683955, 36911940, 44294328, 55367910, 73823880, 110735820, 221471640]

約数ペア:

[(1, 221471640), (2, 110735820), (3, 73823880), (4, 55367910), (5, 44294328), (6, 36911940), (8, 27683955), (9, 24607960), (10, 22147164), (12, 18455970), (13, 17036280), (15, 14764776), (18, 12303980), (20, 11073582), (24, 9227985), (26, 8518140), (30, 7382388), (36, 6151990), (37, 5985720), (39, 5678760), (40, 5536791), (45, 4921592), (52, 4259070), (60, 3691194), (65, 3407256), (72, 3075995), (74, 2992860), (78, 2839380), (90, 2460796), (104, 2129535), (111, 1995240), (117, 1892920), (120, 1845597), (130, 1703628), (148, 1496430), (156, 1419690), (180, 1230398), (185, 1197144), (195, 1135752), (222, 997620), (234, 946460), (260, 851814), (296, 748215), (312, 709845), (333, 665080), (360, 615199), (370, 598572), (390, 567876), (444, 498810), (468, 473230), (481, 460440), (520, 425907), (555, 399048), (585, 378584), (666, 332540), (740, 299286), (780, 283938), (888, 249405), (936, 236615), (962, 230220), (1110, 199524), (1170, 189292), (1279, 173160), (1332, 166270), (1443, 153480), (1480, 149643), (1560, 141969), (1665, 133016), (1924, 115110), (2220, 99762), (2340, 94646), (2405, 92088), (2558, 86580), (2664, 83135), (2886, 76740), (3330, 66508), (3837, 57720), (3848, 57555), (4329, 51160), (4440, 49881), (4680, 47323), (4810, 46044), (5116, 43290), (5772, 38370), (6395, 34632), (6660, 33254), (7215, 30696), (7674, 28860), (8658, 25580), (9620, 23022), (10232, 21645), (11511, 19240), (11544, 19185), (12790, 17316), (13320, 16627), (14430, 15348)]