219989880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:862

約数の個数: 192

約数和(自身を含む): 791687520

約数和(自身を除く): 571697640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 73, 88, 90, 99, 110, 120, 132, 146, 165, 180, 198, 219, 220, 264, 292, 330, 360, 365, 396, 438, 440, 495, 584, 657, 660, 730, 761, 792, 803, 876, 990, 1095, 1314, 1320, 1460, 1522, 1606, 1752, 1980, 2190, 2283, 2409, 2628, 2920, 3044, 3212, 3285, 3805, 3960, 4015, 4380, 4566, 4818, 5256, 6088, 6424, 6570, 6849, 7227, 7610, 8030, 8371, 8760, 9132, 9636, 11415, 12045, 13140, 13698, 14454, 15220, 16060, 16742, 18264, 19272, 22830, 24090, 25113, 26280, 27396, 28908, 30440, 32120, 33484, 34245, 36135, 41855, 45660, 48180, 50226, 54792, 55553, 57816, 66968, 68490, 72270, 75339, 83710, 91320, 96360, 100452, 111106, 125565, 136980, 144540, 150678, 166659, 167420, 200904, 222212, 251130, 273960, 277765, 289080, 301356, 333318, 334840, 376695, 444424, 499977, 502260, 555530, 602712, 611083, 666636, 753390, 833295, 999954, 1004520, 1111060, 1222166, 1333272, 1506780, 1666590, 1833249, 1999908, 2222120, 2444332, 2499885, 3013560, 3055415, 3333180, 3666498, 3999816, 4888664, 4999770, 5499747, 6110830, 6666360, 7332996, 9166245, 9999540, 10999494, 12221660, 14665992, 18332490, 19999080, 21998988, 24443320, 27498735, 36664980, 43997976, 54997470, 73329960, 109994940, 219989880]

約数ペア:

[(1, 219989880), (2, 109994940), (3, 73329960), (4, 54997470), (5, 43997976), (6, 36664980), (8, 27498735), (9, 24443320), (10, 21998988), (11, 19999080), (12, 18332490), (15, 14665992), (18, 12221660), (20, 10999494), (22, 9999540), (24, 9166245), (30, 7332996), (33, 6666360), (36, 6110830), (40, 5499747), (44, 4999770), (45, 4888664), (55, 3999816), (60, 3666498), (66, 3333180), (72, 3055415), (73, 3013560), (88, 2499885), (90, 2444332), (99, 2222120), (110, 1999908), (120, 1833249), (132, 1666590), (146, 1506780), (165, 1333272), (180, 1222166), (198, 1111060), (219, 1004520), (220, 999954), (264, 833295), (292, 753390), (330, 666636), (360, 611083), (365, 602712), (396, 555530), (438, 502260), (440, 499977), (495, 444424), (584, 376695), (657, 334840), (660, 333318), (730, 301356), (761, 289080), (792, 277765), (803, 273960), (876, 251130), (990, 222212), (1095, 200904), (1314, 167420), (1320, 166659), (1460, 150678), (1522, 144540), (1606, 136980), (1752, 125565), (1980, 111106), (2190, 100452), (2283, 96360), (2409, 91320), (2628, 83710), (2920, 75339), (3044, 72270), (3212, 68490), (3285, 66968), (3805, 57816), (3960, 55553), (4015, 54792), (4380, 50226), (4566, 48180), (4818, 45660), (5256, 41855), (6088, 36135), (6424, 34245), (6570, 33484), (6849, 32120), (7227, 30440), (7610, 28908), (8030, 27396), (8371, 26280), (8760, 25113), (9132, 24090), (9636, 22830), (11415, 19272), (12045, 18264), (13140, 16742), (13698, 16060), (14454, 15220)]