1881900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 144

約数和(自身を含む): 6562080

約数和(自身を除く): 4680180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 27, 30, 34, 36, 41, 45, 50, 51, 54, 60, 68, 75, 82, 85, 90, 100, 102, 108, 123, 135, 150, 153, 164, 170, 180, 204, 205, 225, 246, 255, 270, 300, 306, 340, 369, 410, 425, 450, 459, 492, 510, 540, 612, 615, 675, 697, 738, 765, 820, 850, 900, 918, 1020, 1025, 1107, 1230, 1275, 1350, 1394, 1476, 1530, 1700, 1836, 1845, 2050, 2091, 2214, 2295, 2460, 2550, 2700, 2788, 3060, 3075, 3485, 3690, 3825, 4100, 4182, 4428, 4590, 5100, 5535, 6150, 6273, 6970, 7380, 7650, 8364, 9180, 9225, 10455, 11070, 11475, 12300, 12546, 13940, 15300, 17425, 18450, 18819, 20910, 22140, 22950, 25092, 27675, 31365, 34850, 36900, 37638, 41820, 45900, 52275, 55350, 62730, 69700, 75276, 94095, 104550, 110700, 125460, 156825, 188190, 209100, 313650, 376380, 470475, 627300, 940950, 1881900]

約数ペア:

[(1, 1881900), (2, 940950), (3, 627300), (4, 470475), (5, 376380), (6, 313650), (9, 209100), (10, 188190), (12, 156825), (15, 125460), (17, 110700), (18, 104550), (20, 94095), (25, 75276), (27, 69700), (30, 62730), (34, 55350), (36, 52275), (41, 45900), (45, 41820), (50, 37638), (51, 36900), (54, 34850), (60, 31365), (68, 27675), (75, 25092), (82, 22950), (85, 22140), (90, 20910), (100, 18819), (102, 18450), (108, 17425), (123, 15300), (135, 13940), (150, 12546), (153, 12300), (164, 11475), (170, 11070), (180, 10455), (204, 9225), (205, 9180), (225, 8364), (246, 7650), (255, 7380), (270, 6970), (300, 6273), (306, 6150), (340, 5535), (369, 5100), (410, 4590), (425, 4428), (450, 4182), (459, 4100), (492, 3825), (510, 3690), (540, 3485), (612, 3075), (615, 3060), (675, 2788), (697, 2700), (738, 2550), (765, 2460), (820, 2295), (850, 2214), (900, 2091), (918, 2050), (1020, 1845), (1025, 1836), (1107, 1700), (1230, 1530), (1275, 1476), (1350, 1394)]