64399860

素因数分解:

$2^2\times 3^6\times 5^1\times 7^1\times {\mathrm{631}}^1$

素因数の和:665

約数の個数: 168

約数和(自身を含む): 232100736

約数和(自身を除く): 167700876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 631, 729, 756, 810, 945, 972, 1134, 1215, 1260, 1262, 1458, 1620, 1701, 1890, 1893, 2268, 2430, 2524, 2835, 2916, 3155, 3402, 3645, 3780, 3786, 4417, 4860, 5103, 5670, 5679, 6310, 6804, 7290, 7572, 8505, 8834, 9465, 10206, 11340, 11358, 12620, 13251, 14580, 17010, 17037, 17668, 18930, 20412, 22085, 22716, 25515, 26502, 28395, 34020, 34074, 37860, 39753, 44170, 51030, 51111, 53004, 56790, 66255, 68148, 79506, 85185, 88340, 102060, 102222, 113580, 119259, 132510, 153333, 159012, 170370, 198765, 204444, 238518, 255555, 265020, 306666, 340740, 357777, 397530, 459999, 477036, 511110, 596295, 613332, 715554, 766665, 795060, 919998, 1022220, 1073331, 1192590, 1431108, 1533330, 1788885, 1839996, 2146662, 2299995, 2385180, 3066660, 3219993, 3577770, 4293324, 4599990, 5366655, 6439986, 7155540, 9199980, 10733310, 12879972, 16099965, 21466620, 32199930, 64399860]

約数ペア:

[(1, 64399860), (2, 32199930), (3, 21466620), (4, 16099965), (5, 12879972), (6, 10733310), (7, 9199980), (9, 7155540), (10, 6439986), (12, 5366655), (14, 4599990), (15, 4293324), (18, 3577770), (20, 3219993), (21, 3066660), (27, 2385180), (28, 2299995), (30, 2146662), (35, 1839996), (36, 1788885), (42, 1533330), (45, 1431108), (54, 1192590), (60, 1073331), (63, 1022220), (70, 919998), (81, 795060), (84, 766665), (90, 715554), (105, 613332), (108, 596295), (126, 511110), (135, 477036), (140, 459999), (162, 397530), (180, 357777), (189, 340740), (210, 306666), (243, 265020), (252, 255555), (270, 238518), (315, 204444), (324, 198765), (378, 170370), (405, 159012), (420, 153333), (486, 132510), (540, 119259), (567, 113580), (630, 102222), (631, 102060), (729, 88340), (756, 85185), (810, 79506), (945, 68148), (972, 66255), (1134, 56790), (1215, 53004), (1260, 51111), (1262, 51030), (1458, 44170), (1620, 39753), (1701, 37860), (1890, 34074), (1893, 34020), (2268, 28395), (2430, 26502), (2524, 25515), (2835, 22716), (2916, 22085), (3155, 20412), (3402, 18930), (3645, 17668), (3780, 17037), (3786, 17010), (4417, 14580), (4860, 13251), (5103, 12620), (5670, 11358), (5679, 11340), (6310, 10206), (6804, 9465), (7290, 8834), (7572, 8505)]