1291225140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{571}}^1\times {\mathrm{739}}^1$

素因数の和:1342

約数の個数: 144

約数和(自身を含む): 4159995840

約数和(自身を除く): 2868770700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 306, 340, 510, 571, 612, 739, 765, 1020, 1142, 1478, 1530, 1713, 2217, 2284, 2855, 2956, 3060, 3426, 3695, 4434, 5139, 5710, 6651, 6852, 7390, 8565, 8868, 9707, 10278, 11085, 11420, 12563, 13302, 14780, 17130, 19414, 20556, 22170, 25126, 25695, 26604, 29121, 33255, 34260, 37689, 38828, 44340, 48535, 50252, 51390, 58242, 62815, 66510, 75378, 87363, 97070, 102780, 113067, 116484, 125630, 133020, 145605, 150756, 174726, 188445, 194140, 226134, 251260, 291210, 349452, 376890, 421969, 436815, 452268, 565335, 582420, 753780, 843938, 873630, 1130670, 1265907, 1687876, 1747260, 2109845, 2261340, 2531814, 3797721, 4219690, 5063628, 6329535, 7173473, 7595442, 8439380, 12659070, 14346946, 15190884, 18988605, 21520419, 25318140, 28693892, 35867365, 37977210, 43040838, 64561257, 71734730, 75954420, 86081676, 107602095, 129122514, 143469460, 215204190, 258245028, 322806285, 430408380, 645612570, 1291225140]

約数ペア:

[(1, 1291225140), (2, 645612570), (3, 430408380), (4, 322806285), (5, 258245028), (6, 215204190), (9, 143469460), (10, 129122514), (12, 107602095), (15, 86081676), (17, 75954420), (18, 71734730), (20, 64561257), (30, 43040838), (34, 37977210), (36, 35867365), (45, 28693892), (51, 25318140), (60, 21520419), (68, 18988605), (85, 15190884), (90, 14346946), (102, 12659070), (153, 8439380), (170, 7595442), (180, 7173473), (204, 6329535), (255, 5063628), (306, 4219690), (340, 3797721), (510, 2531814), (571, 2261340), (612, 2109845), (739, 1747260), (765, 1687876), (1020, 1265907), (1142, 1130670), (1478, 873630), (1530, 843938), (1713, 753780), (2217, 582420), (2284, 565335), (2855, 452268), (2956, 436815), (3060, 421969), (3426, 376890), (3695, 349452), (4434, 291210), (5139, 251260), (5710, 226134), (6651, 194140), (6852, 188445), (7390, 174726), (8565, 150756), (8868, 145605), (9707, 133020), (10278, 125630), (11085, 116484), (11420, 113067), (12563, 102780), (13302, 97070), (14780, 87363), (17130, 75378), (19414, 66510), (20556, 62815), (22170, 58242), (25126, 51390), (25695, 50252), (26604, 48535), (29121, 44340), (33255, 38828), (34260, 37689)]