16104780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 54643680

約数和(自身を除く): 38538900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 277, 285, 306, 323, 340, 342, 380, 510, 554, 570, 612, 646, 684, 765, 831, 855, 969, 1020, 1108, 1140, 1292, 1385, 1530, 1615, 1662, 1710, 1938, 2493, 2770, 2907, 3060, 3230, 3324, 3420, 3876, 4155, 4709, 4845, 4986, 5263, 5540, 5814, 6460, 8310, 9418, 9690, 9972, 10526, 11628, 12465, 14127, 14535, 15789, 16620, 18836, 19380, 21052, 23545, 24930, 26315, 28254, 29070, 31578, 42381, 47090, 47367, 49860, 52630, 56508, 58140, 63156, 70635, 78945, 84762, 89471, 94180, 94734, 105260, 141270, 157890, 169524, 178942, 189468, 211905, 236835, 268413, 282540, 315780, 357884, 423810, 447355, 473670, 536826, 805239, 847620, 894710, 947340, 1073652, 1342065, 1610478, 1789420, 2684130, 3220956, 4026195, 5368260, 8052390, 16104780]

約数ペア:

[(1, 16104780), (2, 8052390), (3, 5368260), (4, 4026195), (5, 3220956), (6, 2684130), (9, 1789420), (10, 1610478), (12, 1342065), (15, 1073652), (17, 947340), (18, 894710), (19, 847620), (20, 805239), (30, 536826), (34, 473670), (36, 447355), (38, 423810), (45, 357884), (51, 315780), (57, 282540), (60, 268413), (68, 236835), (76, 211905), (85, 189468), (90, 178942), (95, 169524), (102, 157890), (114, 141270), (153, 105260), (170, 94734), (171, 94180), (180, 89471), (190, 84762), (204, 78945), (228, 70635), (255, 63156), (277, 58140), (285, 56508), (306, 52630), (323, 49860), (340, 47367), (342, 47090), (380, 42381), (510, 31578), (554, 29070), (570, 28254), (612, 26315), (646, 24930), (684, 23545), (765, 21052), (831, 19380), (855, 18836), (969, 16620), (1020, 15789), (1108, 14535), (1140, 14127), (1292, 12465), (1385, 11628), (1530, 10526), (1615, 9972), (1662, 9690), (1710, 9418), (1938, 8310), (2493, 6460), (2770, 5814), (2907, 5540), (3060, 5263), (3230, 4986), (3324, 4845), (3420, 4709), (3876, 4155)]