498780

素因数分解:

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

素因数の和:195

約数の個数: 72

約数和(自身を含む): 1611792

約数和(自身を除く): 1113012

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, 2771, 2934, 3060, 3260, 4890, 5542, 5868, 7335, 8313, 9780, 11084, 13855, 14670, 16626, 24939, 27710, 29340, 33252, 41565, 49878, 55420, 83130, 99756, 124695, 166260, 249390, 498780]

約数ペア:

[(1, 498780), (2, 249390), (3, 166260), (4, 124695), (5, 99756), (6, 83130), (9, 55420), (10, 49878), (12, 41565), (15, 33252), (17, 29340), (18, 27710), (20, 24939), (30, 16626), (34, 14670), (36, 13855), (45, 11084), (51, 9780), (60, 8313), (68, 7335), (85, 5868), (90, 5542), (102, 4890), (153, 3260), (163, 3060), (170, 2934), (180, 2771), (204, 2445), (255, 1956), (306, 1630), (326, 1530), (340, 1467), (489, 1020), (510, 978), (612, 815), (652, 765)]