78724620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1$

素因数の和:2024

約数の個数: 144

約数和(自身を含む): 272432160

約数和(自身を除く): 193707540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 468, 510, 585, 612, 663, 765, 780, 884, 1020, 1105, 1170, 1326, 1530, 1979, 1989, 2210, 2340, 2652, 3060, 3315, 3958, 3978, 4420, 5937, 6630, 7916, 7956, 9895, 9945, 11874, 13260, 17811, 19790, 19890, 23748, 25727, 29685, 33643, 35622, 39580, 39780, 51454, 59370, 67286, 71244, 77181, 89055, 100929, 102908, 118740, 128635, 134572, 154362, 168215, 178110, 201858, 231543, 257270, 302787, 308724, 336430, 356220, 385905, 403716, 437359, 463086, 504645, 514540, 605574, 672860, 771810, 874718, 926172, 1009290, 1157715, 1211148, 1312077, 1513935, 1543620, 1749436, 2018580, 2186795, 2315430, 2624154, 3027870, 3936231, 4373590, 4630860, 5248308, 6055740, 6560385, 7872462, 8747180, 13120770, 15744924, 19681155, 26241540, 39362310, 78724620]

約数ペア:

[(1, 78724620), (2, 39362310), (3, 26241540), (4, 19681155), (5, 15744924), (6, 13120770), (9, 8747180), (10, 7872462), (12, 6560385), (13, 6055740), (15, 5248308), (17, 4630860), (18, 4373590), (20, 3936231), (26, 3027870), (30, 2624154), (34, 2315430), (36, 2186795), (39, 2018580), (45, 1749436), (51, 1543620), (52, 1513935), (60, 1312077), (65, 1211148), (68, 1157715), (78, 1009290), (85, 926172), (90, 874718), (102, 771810), (117, 672860), (130, 605574), (153, 514540), (156, 504645), (170, 463086), (180, 437359), (195, 403716), (204, 385905), (221, 356220), (234, 336430), (255, 308724), (260, 302787), (306, 257270), (340, 231543), (390, 201858), (442, 178110), (468, 168215), (510, 154362), (585, 134572), (612, 128635), (663, 118740), (765, 102908), (780, 100929), (884, 89055), (1020, 77181), (1105, 71244), (1170, 67286), (1326, 59370), (1530, 51454), (1979, 39780), (1989, 39580), (2210, 35622), (2340, 33643), (2652, 29685), (3060, 25727), (3315, 23748), (3958, 19890), (3978, 19790), (4420, 17811), (5937, 13260), (6630, 11874), (7916, 9945), (7956, 9895)]