215091720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2521}}^1$

素因数の和:2620

約数の個数: 128

約数和(自身を含む): 726336000

約数和(自身を除く): 511244280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 90, 108, 120, 135, 158, 180, 216, 237, 270, 316, 360, 395, 474, 540, 632, 711, 790, 948, 1080, 1185, 1422, 1580, 1896, 2133, 2370, 2521, 2844, 3160, 3555, 4266, 4740, 5042, 5688, 7110, 7563, 8532, 9480, 10084, 10665, 12605, 14220, 15126, 17064, 20168, 21330, 22689, 25210, 28440, 30252, 37815, 42660, 45378, 50420, 60504, 68067, 75630, 85320, 90756, 100840, 113445, 136134, 151260, 181512, 199159, 226890, 272268, 302520, 340335, 398318, 453780, 544536, 597477, 680670, 796636, 907560, 995795, 1194954, 1361340, 1593272, 1792431, 1991590, 2389908, 2722680, 2987385, 3584862, 3983180, 4779816, 5377293, 5974770, 7169724, 7966360, 8962155, 10754586, 11949540, 14339448, 17924310, 21509172, 23899080, 26886465, 35848620, 43018344, 53772930, 71697240, 107545860, 215091720]

約数ペア:

[(1, 215091720), (2, 107545860), (3, 71697240), (4, 53772930), (5, 43018344), (6, 35848620), (8, 26886465), (9, 23899080), (10, 21509172), (12, 17924310), (15, 14339448), (18, 11949540), (20, 10754586), (24, 8962155), (27, 7966360), (30, 7169724), (36, 5974770), (40, 5377293), (45, 4779816), (54, 3983180), (60, 3584862), (72, 2987385), (79, 2722680), (90, 2389908), (108, 1991590), (120, 1792431), (135, 1593272), (158, 1361340), (180, 1194954), (216, 995795), (237, 907560), (270, 796636), (316, 680670), (360, 597477), (395, 544536), (474, 453780), (540, 398318), (632, 340335), (711, 302520), (790, 272268), (948, 226890), (1080, 199159), (1185, 181512), (1422, 151260), (1580, 136134), (1896, 113445), (2133, 100840), (2370, 90756), (2521, 85320), (2844, 75630), (3160, 68067), (3555, 60504), (4266, 50420), (4740, 45378), (5042, 42660), (5688, 37815), (7110, 30252), (7563, 28440), (8532, 25210), (9480, 22689), (10084, 21330), (10665, 20168), (12605, 17064), (14220, 15126)]