30131820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 99459360

約数和(自身を除く): 69327540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 43, 45, 51, 60, 68, 85, 86, 90, 102, 129, 153, 170, 172, 180, 204, 215, 229, 255, 258, 306, 340, 387, 430, 458, 510, 516, 612, 645, 687, 731, 765, 774, 860, 916, 1020, 1145, 1290, 1374, 1462, 1530, 1548, 1935, 2061, 2193, 2290, 2580, 2748, 2924, 3060, 3435, 3655, 3870, 3893, 4122, 4386, 4580, 6579, 6870, 7310, 7740, 7786, 8244, 8772, 9847, 10305, 10965, 11679, 13158, 13740, 14620, 15572, 19465, 19694, 20610, 21930, 23358, 26316, 29541, 32895, 35037, 38930, 39388, 41220, 43860, 46716, 49235, 58395, 59082, 65790, 70074, 77860, 88623, 98470, 116790, 118164, 131580, 140148, 147705, 167399, 175185, 177246, 196940, 233580, 295410, 334798, 350370, 354492, 443115, 502197, 590820, 669596, 700740, 836995, 886230, 1004394, 1506591, 1673990, 1772460, 2008788, 2510985, 3013182, 3347980, 5021970, 6026364, 7532955, 10043940, 15065910, 30131820]

約数ペア:

[(1, 30131820), (2, 15065910), (3, 10043940), (4, 7532955), (5, 6026364), (6, 5021970), (9, 3347980), (10, 3013182), (12, 2510985), (15, 2008788), (17, 1772460), (18, 1673990), (20, 1506591), (30, 1004394), (34, 886230), (36, 836995), (43, 700740), (45, 669596), (51, 590820), (60, 502197), (68, 443115), (85, 354492), (86, 350370), (90, 334798), (102, 295410), (129, 233580), (153, 196940), (170, 177246), (172, 175185), (180, 167399), (204, 147705), (215, 140148), (229, 131580), (255, 118164), (258, 116790), (306, 98470), (340, 88623), (387, 77860), (430, 70074), (458, 65790), (510, 59082), (516, 58395), (612, 49235), (645, 46716), (687, 43860), (731, 41220), (765, 39388), (774, 38930), (860, 35037), (916, 32895), (1020, 29541), (1145, 26316), (1290, 23358), (1374, 21930), (1462, 20610), (1530, 19694), (1548, 19465), (1935, 15572), (2061, 14620), (2193, 13740), (2290, 13158), (2580, 11679), (2748, 10965), (2924, 10305), (3060, 9847), (3435, 8772), (3655, 8244), (3870, 7786), (3893, 7740), (4122, 7310), (4386, 6870), (4580, 6579)]