28128870

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:89

約数の個数: 240

約数和(自身を含む): 97330464

約数和(自身を除く): 69201594

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 41, 42, 45, 54, 55, 63, 66, 70, 77, 81, 82, 90, 99, 105, 110, 121, 123, 126, 135, 154, 162, 165, 189, 198, 205, 210, 231, 242, 246, 270, 287, 297, 315, 330, 363, 369, 378, 385, 405, 410, 451, 462, 495, 567, 574, 594, 605, 615, 630, 693, 726, 738, 770, 810, 847, 861, 891, 902, 945, 990, 1089, 1107, 1134, 1155, 1210, 1230, 1353, 1386, 1435, 1485, 1694, 1722, 1782, 1815, 1845, 1890, 2079, 2178, 2214, 2255, 2310, 2541, 2583, 2706, 2835, 2870, 2970, 3157, 3267, 3321, 3465, 3630, 3690, 4059, 4158, 4235, 4305, 4455, 4510, 4961, 5082, 5166, 5445, 5535, 5670, 6237, 6314, 6534, 6642, 6765, 6930, 7623, 7749, 8118, 8470, 8610, 8910, 9471, 9801, 9922, 10395, 10890, 11070, 12177, 12474, 12705, 12915, 13530, 14883, 15246, 15498, 15785, 16335, 16605, 18942, 19602, 20295, 20790, 22869, 23247, 24354, 24805, 25410, 25830, 28413, 29766, 31185, 31570, 32670, 33210, 34727, 36531, 38115, 38745, 40590, 44649, 45738, 46494, 47355, 49005, 49610, 56826, 60885, 62370, 68607, 69454, 73062, 74415, 76230, 77490, 85239, 89298, 94710, 98010, 104181, 114345, 116235, 121770, 133947, 137214, 142065, 148830, 170478, 173635, 182655, 208362, 223245, 228690, 232470, 255717, 267894, 284130, 312543, 343035, 347270, 365310, 401841, 426195, 446490, 511434, 520905, 625086, 669735, 686070, 803682, 852390, 937629, 1041810, 1278585, 1339470, 1562715, 1875258, 2009205, 2557170, 2812887, 3125430, 4018410, 4688145, 5625774, 9376290, 14064435, 28128870]

約数ペア:

[(1, 28128870), (2, 14064435), (3, 9376290), (5, 5625774), (6, 4688145), (7, 4018410), (9, 3125430), (10, 2812887), (11, 2557170), (14, 2009205), (15, 1875258), (18, 1562715), (21, 1339470), (22, 1278585), (27, 1041810), (30, 937629), (33, 852390), (35, 803682), (41, 686070), (42, 669735), (45, 625086), (54, 520905), (55, 511434), (63, 446490), (66, 426195), (70, 401841), (77, 365310), (81, 347270), (82, 343035), (90, 312543), (99, 284130), (105, 267894), (110, 255717), (121, 232470), (123, 228690), (126, 223245), (135, 208362), (154, 182655), (162, 173635), (165, 170478), (189, 148830), (198, 142065), (205, 137214), (210, 133947), (231, 121770), (242, 116235), (246, 114345), (270, 104181), (287, 98010), (297, 94710), (315, 89298), (330, 85239), (363, 77490), (369, 76230), (378, 74415), (385, 73062), (405, 69454), (410, 68607), (451, 62370), (462, 60885), (495, 56826), (567, 49610), (574, 49005), (594, 47355), (605, 46494), (615, 45738), (630, 44649), (693, 40590), (726, 38745), (738, 38115), (770, 36531), (810, 34727), (847, 33210), (861, 32670), (891, 31570), (902, 31185), (945, 29766), (990, 28413), (1089, 25830), (1107, 25410), (1134, 24805), (1155, 24354), (1210, 23247), (1230, 22869), (1353, 20790), (1386, 20295), (1435, 19602), (1485, 18942), (1694, 16605), (1722, 16335), (1782, 15785), (1815, 15498), (1845, 15246), (1890, 14883), (2079, 13530), (2178, 12915), (2214, 12705), (2255, 12474), (2310, 12177), (2541, 11070), (2583, 10890), (2706, 10395), (2835, 9922), (2870, 9801), (2970, 9471), (3157, 8910), (3267, 8610), (3321, 8470), (3465, 8118), (3630, 7749), (3690, 7623), (4059, 6930), (4158, 6765), (4235, 6642), (4305, 6534), (4455, 6314), (4510, 6237), (4961, 5670), (5082, 5535), (5166, 5445)]