18810240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 61175520

約数和(自身を除く): 42365280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 97, 101, 120, 128, 160, 192, 194, 202, 240, 291, 303, 320, 384, 388, 404, 480, 485, 505, 582, 606, 640, 776, 808, 960, 970, 1010, 1164, 1212, 1455, 1515, 1552, 1616, 1920, 1940, 2020, 2328, 2424, 2910, 3030, 3104, 3232, 3880, 4040, 4656, 4848, 5820, 6060, 6208, 6464, 7760, 8080, 9312, 9696, 9797, 11640, 12120, 12416, 12928, 15520, 16160, 18624, 19392, 19594, 23280, 24240, 29391, 31040, 32320, 37248, 38784, 39188, 46560, 48480, 48985, 58782, 62080, 64640, 78376, 93120, 96960, 97970, 117564, 146955, 156752, 186240, 193920, 195940, 235128, 293910, 313504, 391880, 470256, 587820, 627008, 783760, 940512, 1175640, 1254016, 1567520, 1881024, 2351280, 3135040, 3762048, 4702560, 6270080, 9405120, 18810240]

約数ペア:

[(1, 18810240), (2, 9405120), (3, 6270080), (4, 4702560), (5, 3762048), (6, 3135040), (8, 2351280), (10, 1881024), (12, 1567520), (15, 1254016), (16, 1175640), (20, 940512), (24, 783760), (30, 627008), (32, 587820), (40, 470256), (48, 391880), (60, 313504), (64, 293910), (80, 235128), (96, 195940), (97, 193920), (101, 186240), (120, 156752), (128, 146955), (160, 117564), (192, 97970), (194, 96960), (202, 93120), (240, 78376), (291, 64640), (303, 62080), (320, 58782), (384, 48985), (388, 48480), (404, 46560), (480, 39188), (485, 38784), (505, 37248), (582, 32320), (606, 31040), (640, 29391), (776, 24240), (808, 23280), (960, 19594), (970, 19392), (1010, 18624), (1164, 16160), (1212, 15520), (1455, 12928), (1515, 12416), (1552, 12120), (1616, 11640), (1920, 9797), (1940, 9696), (2020, 9312), (2328, 8080), (2424, 7760), (2910, 6464), (3030, 6208), (3104, 6060), (3232, 5820), (3880, 4848), (4040, 4656)]