128170980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101723}}^1$

素因数の和:101745

約数の個数: 72

約数和(自身を含む): 444330432

約数和(自身を除く): 316159452

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 101723, 203446, 305169, 406892, 508615, 610338, 712061, 915507, 1017230, 1220676, 1424122, 1525845, 1831014, 2034460, 2136183, 2848244, 3051690, 3560305, 3662028, 4272366, 4577535, 6103380, 6408549, 7120610, 8544732, 9155070, 10680915, 12817098, 14241220, 18310140, 21361830, 25634196, 32042745, 42723660, 64085490, 128170980]

約数ペア:

[(1, 128170980), (2, 64085490), (3, 42723660), (4, 32042745), (5, 25634196), (6, 21361830), (7, 18310140), (9, 14241220), (10, 12817098), (12, 10680915), (14, 9155070), (15, 8544732), (18, 7120610), (20, 6408549), (21, 6103380), (28, 4577535), (30, 4272366), (35, 3662028), (36, 3560305), (42, 3051690), (45, 2848244), (60, 2136183), (63, 2034460), (70, 1831014), (84, 1525845), (90, 1424122), (105, 1220676), (126, 1017230), (140, 915507), (180, 712061), (210, 610338), (252, 508615), (315, 406892), (420, 305169), (630, 203446), (1260, 101723)]