668822220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{7187}}^1$

素因数の和:7260

約数の個数: 144

約数和(自身を含む): 2260597248

約数和(自身を除く): 1591775028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 47, 55, 60, 66, 90, 94, 99, 110, 132, 141, 165, 180, 188, 198, 220, 235, 282, 330, 396, 423, 470, 495, 517, 564, 660, 705, 846, 940, 990, 1034, 1410, 1551, 1692, 1980, 2068, 2115, 2585, 2820, 3102, 4230, 4653, 5170, 6204, 7187, 7755, 8460, 9306, 10340, 14374, 15510, 18612, 21561, 23265, 28748, 31020, 35935, 43122, 46530, 64683, 71870, 79057, 86244, 93060, 107805, 129366, 143740, 158114, 215610, 237171, 258732, 316228, 323415, 337789, 395285, 431220, 474342, 646830, 675578, 711513, 790570, 948684, 1013367, 1185855, 1293660, 1351156, 1423026, 1581140, 1688945, 2026734, 2371710, 2846052, 3040101, 3377890, 3557565, 3715679, 4053468, 4743420, 5066835, 6080202, 6755780, 7115130, 7431358, 10133670, 11147037, 12160404, 14230260, 14862716, 15200505, 18578395, 20267340, 22294074, 30401010, 33441111, 37156790, 44588148, 55735185, 60802020, 66882222, 74313580, 111470370, 133764444, 167205555, 222940740, 334411110, 668822220]

約数ペア:

[(1, 668822220), (2, 334411110), (3, 222940740), (4, 167205555), (5, 133764444), (6, 111470370), (9, 74313580), (10, 66882222), (11, 60802020), (12, 55735185), (15, 44588148), (18, 37156790), (20, 33441111), (22, 30401010), (30, 22294074), (33, 20267340), (36, 18578395), (44, 15200505), (45, 14862716), (47, 14230260), (55, 12160404), (60, 11147037), (66, 10133670), (90, 7431358), (94, 7115130), (99, 6755780), (110, 6080202), (132, 5066835), (141, 4743420), (165, 4053468), (180, 3715679), (188, 3557565), (198, 3377890), (220, 3040101), (235, 2846052), (282, 2371710), (330, 2026734), (396, 1688945), (423, 1581140), (470, 1423026), (495, 1351156), (517, 1293660), (564, 1185855), (660, 1013367), (705, 948684), (846, 790570), (940, 711513), (990, 675578), (1034, 646830), (1410, 474342), (1551, 431220), (1692, 395285), (1980, 337789), (2068, 323415), (2115, 316228), (2585, 258732), (2820, 237171), (3102, 215610), (4230, 158114), (4653, 143740), (5170, 129366), (6204, 107805), (7187, 93060), (7755, 86244), (8460, 79057), (9306, 71870), (10340, 64683), (14374, 46530), (15510, 43122), (18612, 35935), (21561, 31020), (23265, 28748)]