87969420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{577}}^1$

素因数の和:621

約数の個数: 216

約数和(自身を含む): 335785632

約数和(自身を除く): 247816212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 121, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 242, 252, 308, 315, 330, 363, 385, 396, 420, 462, 484, 495, 577, 605, 630, 660, 693, 726, 770, 847, 924, 990, 1089, 1154, 1155, 1210, 1260, 1386, 1452, 1540, 1694, 1731, 1815, 1980, 2178, 2308, 2310, 2420, 2541, 2772, 2885, 3388, 3462, 3465, 3630, 4039, 4235, 4356, 4620, 5082, 5193, 5445, 5770, 6347, 6924, 6930, 7260, 7623, 8078, 8470, 8655, 10164, 10386, 10890, 11540, 12117, 12694, 12705, 13860, 15246, 16156, 16940, 17310, 19041, 20195, 20772, 21780, 24234, 25388, 25410, 25965, 30492, 31735, 34620, 36351, 38082, 38115, 40390, 44429, 48468, 50820, 51930, 57123, 60585, 63470, 69817, 72702, 76164, 76230, 80780, 88858, 95205, 103860, 114246, 121170, 126940, 133287, 139634, 145404, 152460, 177716, 181755, 190410, 209451, 222145, 228492, 242340, 266574, 279268, 285615, 349085, 363510, 380820, 399861, 418902, 444290, 488719, 533148, 571230, 628353, 666435, 698170, 727020, 799722, 837804, 888580, 977438, 1047255, 1142460, 1256706, 1332870, 1396340, 1466157, 1599444, 1954876, 1999305, 2094510, 2443595, 2513412, 2665740, 2932314, 3141765, 3998610, 4189020, 4398471, 4887190, 5864628, 6283530, 7330785, 7997220, 8796942, 9774380, 12567060, 14661570, 17593884, 21992355, 29323140, 43984710, 87969420]

約数ペア:

[(1, 87969420), (2, 43984710), (3, 29323140), (4, 21992355), (5, 17593884), (6, 14661570), (7, 12567060), (9, 9774380), (10, 8796942), (11, 7997220), (12, 7330785), (14, 6283530), (15, 5864628), (18, 4887190), (20, 4398471), (21, 4189020), (22, 3998610), (28, 3141765), (30, 2932314), (33, 2665740), (35, 2513412), (36, 2443595), (42, 2094510), (44, 1999305), (45, 1954876), (55, 1599444), (60, 1466157), (63, 1396340), (66, 1332870), (70, 1256706), (77, 1142460), (84, 1047255), (90, 977438), (99, 888580), (105, 837804), (110, 799722), (121, 727020), (126, 698170), (132, 666435), (140, 628353), (154, 571230), (165, 533148), (180, 488719), (198, 444290), (210, 418902), (220, 399861), (231, 380820), (242, 363510), (252, 349085), (308, 285615), (315, 279268), (330, 266574), (363, 242340), (385, 228492), (396, 222145), (420, 209451), (462, 190410), (484, 181755), (495, 177716), (577, 152460), (605, 145404), (630, 139634), (660, 133287), (693, 126940), (726, 121170), (770, 114246), (847, 103860), (924, 95205), (990, 88858), (1089, 80780), (1154, 76230), (1155, 76164), (1210, 72702), (1260, 69817), (1386, 63470), (1452, 60585), (1540, 57123), (1694, 51930), (1731, 50820), (1815, 48468), (1980, 44429), (2178, 40390), (2308, 38115), (2310, 38082), (2420, 36351), (2541, 34620), (2772, 31735), (2885, 30492), (3388, 25965), (3462, 25410), (3465, 25388), (3630, 24234), (4039, 21780), (4235, 20772), (4356, 20195), (4620, 19041), (5082, 17310), (5193, 16940), (5445, 16156), (5770, 15246), (6347, 13860), (6924, 12705), (6930, 12694), (7260, 12117), (7623, 11540), (8078, 10890), (8470, 10386), (8655, 10164)]