90190980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 311095512

約数和(自身を除く): 220904532

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 41, 44, 45, 55, 60, 66, 82, 90, 99, 101, 110, 121, 123, 132, 164, 165, 180, 198, 202, 205, 220, 242, 246, 303, 330, 363, 369, 396, 404, 410, 451, 484, 492, 495, 505, 605, 606, 615, 660, 726, 738, 820, 902, 909, 990, 1010, 1089, 1111, 1210, 1212, 1230, 1353, 1452, 1476, 1515, 1804, 1815, 1818, 1845, 1980, 2020, 2178, 2222, 2255, 2420, 2460, 2706, 3030, 3333, 3630, 3636, 3690, 4059, 4141, 4356, 4444, 4510, 4545, 4961, 5412, 5445, 5555, 6060, 6666, 6765, 7260, 7380, 8118, 8282, 9020, 9090, 9922, 9999, 10890, 11110, 12221, 12423, 13332, 13530, 14883, 16236, 16564, 16665, 18180, 19844, 19998, 20295, 20705, 21780, 22220, 24442, 24805, 24846, 27060, 29766, 33330, 36663, 37269, 39996, 40590, 41410, 44649, 45551, 48884, 49610, 49692, 49995, 59532, 61105, 62115, 66660, 73326, 74415, 74538, 81180, 82820, 89298, 91102, 99220, 99990, 109989, 122210, 124230, 136653, 146652, 148830, 149076, 178596, 182204, 183315, 186345, 199980, 219978, 223245, 227755, 244420, 248460, 273306, 297660, 366630, 372690, 409959, 439956, 446490, 455510, 501061, 546612, 549945, 683265, 733260, 745380, 819918, 892980, 911020, 1002122, 1099890, 1366530, 1503183, 1639836, 2004244, 2049795, 2199780, 2505305, 2733060, 3006366, 4099590, 4509549, 5010610, 6012732, 7515915, 8199180, 9019098, 10021220, 15031830, 18038196, 22547745, 30063660, 45095490, 90190980]

約数ペア:

[(1, 90190980), (2, 45095490), (3, 30063660), (4, 22547745), (5, 18038196), (6, 15031830), (9, 10021220), (10, 9019098), (11, 8199180), (12, 7515915), (15, 6012732), (18, 5010610), (20, 4509549), (22, 4099590), (30, 3006366), (33, 2733060), (36, 2505305), (41, 2199780), (44, 2049795), (45, 2004244), (55, 1639836), (60, 1503183), (66, 1366530), (82, 1099890), (90, 1002122), (99, 911020), (101, 892980), (110, 819918), (121, 745380), (123, 733260), (132, 683265), (164, 549945), (165, 546612), (180, 501061), (198, 455510), (202, 446490), (205, 439956), (220, 409959), (242, 372690), (246, 366630), (303, 297660), (330, 273306), (363, 248460), (369, 244420), (396, 227755), (404, 223245), (410, 219978), (451, 199980), (484, 186345), (492, 183315), (495, 182204), (505, 178596), (605, 149076), (606, 148830), (615, 146652), (660, 136653), (726, 124230), (738, 122210), (820, 109989), (902, 99990), (909, 99220), (990, 91102), (1010, 89298), (1089, 82820), (1111, 81180), (1210, 74538), (1212, 74415), (1230, 73326), (1353, 66660), (1452, 62115), (1476, 61105), (1515, 59532), (1804, 49995), (1815, 49692), (1818, 49610), (1845, 48884), (1980, 45551), (2020, 44649), (2178, 41410), (2222, 40590), (2255, 39996), (2420, 37269), (2460, 36663), (2706, 33330), (3030, 29766), (3333, 27060), (3630, 24846), (3636, 24805), (3690, 24442), (4059, 22220), (4141, 21780), (4356, 20705), (4444, 20295), (4510, 19998), (4545, 19844), (4961, 18180), (5412, 16665), (5445, 16564), (5555, 16236), (6060, 14883), (6666, 13530), (6765, 13332), (7260, 12423), (7380, 12221), (8118, 11110), (8282, 10890), (9020, 9999), (9090, 9922)]