42267780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:778

約数の個数: 144

約数和(自身を含む): 143095680

約数和(自身を除く): 100827900

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, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 727, 765, 855, 969, 1020, 1140, 1292, 1454, 1530, 1615, 1710, 1938, 2181, 2907, 2908, 3060, 3230, 3420, 3635, 3876, 4362, 4845, 5814, 6460, 6543, 7270, 8724, 9690, 10905, 11628, 12359, 13086, 13813, 14535, 14540, 19380, 21810, 24718, 26172, 27626, 29070, 32715, 37077, 41439, 43620, 49436, 55252, 58140, 61795, 65430, 69065, 74154, 82878, 111231, 123590, 124317, 130860, 138130, 148308, 165756, 185385, 207195, 222462, 234821, 247180, 248634, 276260, 370770, 414390, 444924, 469642, 497268, 556155, 621585, 704463, 741540, 828780, 939284, 1112310, 1174105, 1243170, 1408926, 2113389, 2224620, 2348210, 2486340, 2817852, 3522315, 4226778, 4696420, 7044630, 8453556, 10566945, 14089260, 21133890, 42267780]

約数ペア:

[(1, 42267780), (2, 21133890), (3, 14089260), (4, 10566945), (5, 8453556), (6, 7044630), (9, 4696420), (10, 4226778), (12, 3522315), (15, 2817852), (17, 2486340), (18, 2348210), (19, 2224620), (20, 2113389), (30, 1408926), (34, 1243170), (36, 1174105), (38, 1112310), (45, 939284), (51, 828780), (57, 741540), (60, 704463), (68, 621585), (76, 556155), (85, 497268), (90, 469642), (95, 444924), (102, 414390), (114, 370770), (153, 276260), (170, 248634), (171, 247180), (180, 234821), (190, 222462), (204, 207195), (228, 185385), (255, 165756), (285, 148308), (306, 138130), (323, 130860), (340, 124317), (342, 123590), (380, 111231), (510, 82878), (570, 74154), (612, 69065), (646, 65430), (684, 61795), (727, 58140), (765, 55252), (855, 49436), (969, 43620), (1020, 41439), (1140, 37077), (1292, 32715), (1454, 29070), (1530, 27626), (1615, 26172), (1710, 24718), (1938, 21810), (2181, 19380), (2907, 14540), (2908, 14535), (3060, 13813), (3230, 13086), (3420, 12359), (3635, 11628), (3876, 10905), (4362, 9690), (4845, 8724), (5814, 7270), (6460, 6543)]