123930

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{17}}^1$

素因数の和:42

約数の個数: 56

約数和(自身を含む): 354132

約数和(自身を除く): 230202

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 81, 85, 90, 102, 135, 153, 162, 170, 243, 255, 270, 306, 405, 459, 486, 510, 729, 765, 810, 918, 1215, 1377, 1458, 1530, 2295, 2430, 2754, 3645, 4131, 4590, 6885, 7290, 8262, 12393, 13770, 20655, 24786, 41310, 61965, 123930]

約数ペア:

[(1, 123930), (2, 61965), (3, 41310), (5, 24786), (6, 20655), (9, 13770), (10, 12393), (15, 8262), (17, 7290), (18, 6885), (27, 4590), (30, 4131), (34, 3645), (45, 2754), (51, 2430), (54, 2295), (81, 1530), (85, 1458), (90, 1377), (102, 1215), (135, 918), (153, 810), (162, 765), (170, 729), (243, 510), (255, 486), (270, 459), (306, 405)]