138268890

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26953}}^1$

素因数の和:26988

約数の個数: 64

約数和(自身を含む): 388137600

約数和(自身を除く): 249868710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 45, 54, 57, 90, 95, 114, 135, 171, 190, 270, 285, 342, 513, 570, 855, 1026, 1710, 2565, 5130, 26953, 53906, 80859, 134765, 161718, 242577, 269530, 404295, 485154, 512107, 727731, 808590, 1024214, 1212885, 1455462, 1536321, 2425770, 2560535, 3072642, 3638655, 4608963, 5121070, 7277310, 7681605, 9217926, 13826889, 15363210, 23044815, 27653778, 46089630, 69134445, 138268890]

約数ペア:

[(1, 138268890), (2, 69134445), (3, 46089630), (5, 27653778), (6, 23044815), (9, 15363210), (10, 13826889), (15, 9217926), (18, 7681605), (19, 7277310), (27, 5121070), (30, 4608963), (38, 3638655), (45, 3072642), (54, 2560535), (57, 2425770), (90, 1536321), (95, 1455462), (114, 1212885), (135, 1024214), (171, 808590), (190, 727731), (270, 512107), (285, 485154), (342, 404295), (513, 269530), (570, 242577), (855, 161718), (1026, 134765), (1710, 80859), (2565, 53906), (5130, 26953)]