209703780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8186

約数の個数: 144

約数和(自身を含む): 747399744

約数和(自身を除く): 537695964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 90, 99, 110, 117, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 286, 330, 390, 396, 429, 468, 495, 572, 585, 660, 715, 780, 858, 990, 1170, 1287, 1430, 1716, 1980, 2145, 2340, 2574, 2860, 4290, 5148, 6435, 8147, 8580, 12870, 16294, 24441, 25740, 32588, 40735, 48882, 73323, 81470, 89617, 97764, 105911, 122205, 146646, 162940, 179234, 211822, 244410, 268851, 293292, 317733, 358468, 366615, 423644, 448085, 488820, 529555, 537702, 635466, 733230, 806553, 896170, 953199, 1059110, 1075404, 1165021, 1270932, 1344255, 1466460, 1588665, 1613106, 1792340, 1906398, 2118220, 2330042, 2688510, 3177330, 3226212, 3495063, 3812796, 4032765, 4660084, 4765995, 5377020, 5825105, 6354660, 6990126, 8065530, 9531990, 10485189, 11650210, 13980252, 16131060, 17475315, 19063980, 20970378, 23300420, 34950630, 41940756, 52425945, 69901260, 104851890, 209703780]

約数ペア:

[(1, 209703780), (2, 104851890), (3, 69901260), (4, 52425945), (5, 41940756), (6, 34950630), (9, 23300420), (10, 20970378), (11, 19063980), (12, 17475315), (13, 16131060), (15, 13980252), (18, 11650210), (20, 10485189), (22, 9531990), (26, 8065530), (30, 6990126), (33, 6354660), (36, 5825105), (39, 5377020), (44, 4765995), (45, 4660084), (52, 4032765), (55, 3812796), (60, 3495063), (65, 3226212), (66, 3177330), (78, 2688510), (90, 2330042), (99, 2118220), (110, 1906398), (117, 1792340), (130, 1613106), (132, 1588665), (143, 1466460), (156, 1344255), (165, 1270932), (180, 1165021), (195, 1075404), (198, 1059110), (220, 953199), (234, 896170), (260, 806553), (286, 733230), (330, 635466), (390, 537702), (396, 529555), (429, 488820), (468, 448085), (495, 423644), (572, 366615), (585, 358468), (660, 317733), (715, 293292), (780, 268851), (858, 244410), (990, 211822), (1170, 179234), (1287, 162940), (1430, 146646), (1716, 122205), (1980, 105911), (2145, 97764), (2340, 89617), (2574, 81470), (2860, 73323), (4290, 48882), (5148, 40735), (6435, 32588), (8147, 25740), (8580, 24441), (12870, 16294)]