128443920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4423}}^1$

素因数の和:4461

約数の個数: 120

約数和(自身を含む): 437763648

約数和(自身を除く): 309319728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 726, 880, 968, 1210, 1320, 1452, 1815, 1936, 2420, 2640, 2904, 3630, 4423, 4840, 5808, 7260, 8846, 9680, 13269, 14520, 17692, 22115, 26538, 29040, 35384, 44230, 48653, 53076, 66345, 70768, 88460, 97306, 106152, 132690, 145959, 176920, 194612, 212304, 243265, 265380, 291918, 353840, 389224, 486530, 530760, 535183, 583836, 729795, 778448, 973060, 1061520, 1070366, 1167672, 1459590, 1605549, 1946120, 2140732, 2335344, 2675915, 2919180, 3211098, 3892240, 4281464, 5351830, 5838360, 6422196, 8027745, 8562928, 10703660, 11676720, 12844392, 16055490, 21407320, 25688784, 32110980, 42814640, 64221960, 128443920]

約数ペア:

[(1, 128443920), (2, 64221960), (3, 42814640), (4, 32110980), (5, 25688784), (6, 21407320), (8, 16055490), (10, 12844392), (11, 11676720), (12, 10703660), (15, 8562928), (16, 8027745), (20, 6422196), (22, 5838360), (24, 5351830), (30, 4281464), (33, 3892240), (40, 3211098), (44, 2919180), (48, 2675915), (55, 2335344), (60, 2140732), (66, 1946120), (80, 1605549), (88, 1459590), (110, 1167672), (120, 1070366), (121, 1061520), (132, 973060), (165, 778448), (176, 729795), (220, 583836), (240, 535183), (242, 530760), (264, 486530), (330, 389224), (363, 353840), (440, 291918), (484, 265380), (528, 243265), (605, 212304), (660, 194612), (726, 176920), (880, 145959), (968, 132690), (1210, 106152), (1320, 97306), (1452, 88460), (1815, 70768), (1936, 66345), (2420, 53076), (2640, 48653), (2904, 44230), (3630, 35384), (4423, 29040), (4840, 26538), (5808, 22115), (7260, 17692), (8846, 14520), (9680, 13269)]