1272387780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{2551}}^1$

素因数の和:2746

約数の個数: 144

約数和(自身を含む): 4113293184

約数和(自身を除く): 2840905404

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, 163, 170, 180, 204, 255, 306, 326, 340, 489, 510, 612, 652, 765, 815, 978, 1020, 1467, 1530, 1630, 1956, 2445, 2551, 2771, 2934, 3060, 3260, 4890, 5102, 5542, 5868, 7335, 7653, 8313, 9780, 10204, 11084, 12755, 13855, 14670, 15306, 16626, 22959, 24939, 25510, 27710, 29340, 30612, 33252, 38265, 41565, 43367, 45918, 49878, 51020, 55420, 76530, 83130, 86734, 91836, 99756, 114795, 124695, 130101, 153060, 166260, 173468, 216835, 229590, 249390, 260202, 390303, 415813, 433670, 459180, 498780, 520404, 650505, 780606, 831626, 867340, 1247439, 1301010, 1561212, 1663252, 1951515, 2079065, 2494878, 2602020, 3742317, 3903030, 4158130, 4989756, 6237195, 7068821, 7484634, 7806060, 8316260, 12474390, 14137642, 14969268, 18711585, 21206463, 24948780, 28275284, 35344105, 37423170, 42412926, 63619389, 70688210, 74846340, 84825852, 106032315, 127238778, 141376420, 212064630, 254477556, 318096945, 424129260, 636193890, 1272387780]

約数ペア:

[(1, 1272387780), (2, 636193890), (3, 424129260), (4, 318096945), (5, 254477556), (6, 212064630), (9, 141376420), (10, 127238778), (12, 106032315), (15, 84825852), (17, 74846340), (18, 70688210), (20, 63619389), (30, 42412926), (34, 37423170), (36, 35344105), (45, 28275284), (51, 24948780), (60, 21206463), (68, 18711585), (85, 14969268), (90, 14137642), (102, 12474390), (153, 8316260), (163, 7806060), (170, 7484634), (180, 7068821), (204, 6237195), (255, 4989756), (306, 4158130), (326, 3903030), (340, 3742317), (489, 2602020), (510, 2494878), (612, 2079065), (652, 1951515), (765, 1663252), (815, 1561212), (978, 1301010), (1020, 1247439), (1467, 867340), (1530, 831626), (1630, 780606), (1956, 650505), (2445, 520404), (2551, 498780), (2771, 459180), (2934, 433670), (3060, 415813), (3260, 390303), (4890, 260202), (5102, 249390), (5542, 229590), (5868, 216835), (7335, 173468), (7653, 166260), (8313, 153060), (9780, 130101), (10204, 124695), (11084, 114795), (12755, 99756), (13855, 91836), (14670, 86734), (15306, 83130), (16626, 76530), (22959, 55420), (24939, 51020), (25510, 49878), (27710, 45918), (29340, 43367), (30612, 41565), (33252, 38265)]