261854910

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:763

約数の個数: 128

約数和(自身を含む): 748828800

約数和(自身を除く): 486973890

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 89, 90, 102, 135, 153, 170, 178, 255, 267, 270, 306, 445, 459, 510, 534, 641, 765, 801, 890, 918, 1282, 1335, 1513, 1530, 1602, 1923, 2295, 2403, 2670, 3026, 3205, 3846, 4005, 4539, 4590, 4806, 5769, 6410, 7565, 8010, 9078, 9615, 10897, 11538, 12015, 13617, 15130, 17307, 19230, 21794, 22695, 24030, 27234, 28845, 32691, 34614, 40851, 45390, 54485, 57049, 57690, 65382, 68085, 81702, 86535, 98073, 108970, 114098, 136170, 163455, 171147, 173070, 196146, 204255, 285245, 294219, 326910, 342294, 408510, 490365, 513441, 570490, 588438, 855735, 969833, 980730, 1026882, 1471095, 1540323, 1711470, 1939666, 2567205, 2909499, 2942190, 3080646, 4849165, 5134410, 5818998, 7701615, 8728497, 9698330, 14547495, 15403230, 17456994, 26185491, 29094990, 43642485, 52370982, 87284970, 130927455, 261854910]

約数ペア:

[(1, 261854910), (2, 130927455), (3, 87284970), (5, 52370982), (6, 43642485), (9, 29094990), (10, 26185491), (15, 17456994), (17, 15403230), (18, 14547495), (27, 9698330), (30, 8728497), (34, 7701615), (45, 5818998), (51, 5134410), (54, 4849165), (85, 3080646), (89, 2942190), (90, 2909499), (102, 2567205), (135, 1939666), (153, 1711470), (170, 1540323), (178, 1471095), (255, 1026882), (267, 980730), (270, 969833), (306, 855735), (445, 588438), (459, 570490), (510, 513441), (534, 490365), (641, 408510), (765, 342294), (801, 326910), (890, 294219), (918, 285245), (1282, 204255), (1335, 196146), (1513, 173070), (1530, 171147), (1602, 163455), (1923, 136170), (2295, 114098), (2403, 108970), (2670, 98073), (3026, 86535), (3205, 81702), (3846, 68085), (4005, 65382), (4539, 57690), (4590, 57049), (4806, 54485), (5769, 45390), (6410, 40851), (7565, 34614), (8010, 32691), (9078, 28845), (9615, 27234), (10897, 24030), (11538, 22695), (12015, 21794), (13617, 19230), (15130, 17307)]