215102440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 128

約数和(自身を含む): 583925760

約数和(自身を除く): 368823320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 127, 140, 161, 184, 230, 254, 263, 280, 322, 460, 508, 526, 635, 644, 805, 889, 920, 1016, 1052, 1270, 1288, 1315, 1610, 1778, 1841, 2104, 2540, 2630, 2921, 3220, 3556, 3682, 4445, 5080, 5260, 5842, 6049, 6440, 7112, 7364, 8890, 9205, 10520, 11684, 12098, 14605, 14728, 17780, 18410, 20447, 23368, 24196, 29210, 30245, 33401, 35560, 36820, 40894, 42343, 48392, 58420, 60490, 66802, 73640, 81788, 84686, 102235, 116840, 120980, 133604, 163576, 167005, 169372, 204470, 211715, 233807, 241960, 267208, 334010, 338744, 408940, 423430, 467614, 668020, 768223, 817880, 846860, 935228, 1169035, 1336040, 1536446, 1693720, 1870456, 2338070, 3072892, 3841115, 4676140, 5377561, 6145784, 7682230, 9352280, 10755122, 15364460, 21510244, 26887805, 30728920, 43020488, 53775610, 107551220, 215102440]

約数ペア:

[(1, 215102440), (2, 107551220), (4, 53775610), (5, 43020488), (7, 30728920), (8, 26887805), (10, 21510244), (14, 15364460), (20, 10755122), (23, 9352280), (28, 7682230), (35, 6145784), (40, 5377561), (46, 4676140), (56, 3841115), (70, 3072892), (92, 2338070), (115, 1870456), (127, 1693720), (140, 1536446), (161, 1336040), (184, 1169035), (230, 935228), (254, 846860), (263, 817880), (280, 768223), (322, 668020), (460, 467614), (508, 423430), (526, 408940), (635, 338744), (644, 334010), (805, 267208), (889, 241960), (920, 233807), (1016, 211715), (1052, 204470), (1270, 169372), (1288, 167005), (1315, 163576), (1610, 133604), (1778, 120980), (1841, 116840), (2104, 102235), (2540, 84686), (2630, 81788), (2921, 73640), (3220, 66802), (3556, 60490), (3682, 58420), (4445, 48392), (5080, 42343), (5260, 40894), (5842, 36820), (6049, 35560), (6440, 33401), (7112, 30245), (7364, 29210), (8890, 24196), (9205, 23368), (10520, 20447), (11684, 18410), (12098, 17780), (14605, 14728)]