217878840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:306

約数の個数: 192

約数和(自身を含む): 736819200

約数和(自身を除く): 518940360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 47, 60, 72, 79, 90, 94, 120, 141, 158, 163, 180, 188, 235, 237, 282, 316, 326, 360, 376, 395, 423, 470, 474, 489, 564, 632, 652, 705, 711, 790, 815, 846, 940, 948, 978, 1128, 1185, 1304, 1410, 1422, 1467, 1580, 1630, 1692, 1880, 1896, 1956, 2115, 2370, 2445, 2820, 2844, 2934, 3160, 3260, 3384, 3555, 3713, 3912, 4230, 4740, 4890, 5640, 5688, 5868, 6520, 7110, 7335, 7426, 7661, 8460, 9480, 9780, 11139, 11736, 12877, 14220, 14670, 14852, 15322, 16920, 18565, 19560, 22278, 22983, 25754, 28440, 29340, 29704, 30644, 33417, 37130, 38305, 38631, 44556, 45966, 51508, 55695, 58680, 61288, 64385, 66834, 68949, 74260, 76610, 77262, 89112, 91932, 103016, 111390, 114915, 115893, 128770, 133668, 137898, 148520, 153220, 154524, 167085, 183864, 193155, 222780, 229830, 231786, 257540, 267336, 275796, 306440, 309048, 334170, 344745, 386310, 445560, 459660, 463572, 515080, 551592, 579465, 605219, 668340, 689490, 772620, 919320, 927144, 1158930, 1210438, 1336680, 1378980, 1545240, 1815657, 2317860, 2420876, 2757960, 3026095, 3631314, 4635720, 4841752, 5446971, 6052190, 7262628, 9078285, 10893942, 12104380, 14525256, 18156570, 21787884, 24208760, 27234855, 36313140, 43575768, 54469710, 72626280, 108939420, 217878840]

約数ペア:

[(1, 217878840), (2, 108939420), (3, 72626280), (4, 54469710), (5, 43575768), (6, 36313140), (8, 27234855), (9, 24208760), (10, 21787884), (12, 18156570), (15, 14525256), (18, 12104380), (20, 10893942), (24, 9078285), (30, 7262628), (36, 6052190), (40, 5446971), (45, 4841752), (47, 4635720), (60, 3631314), (72, 3026095), (79, 2757960), (90, 2420876), (94, 2317860), (120, 1815657), (141, 1545240), (158, 1378980), (163, 1336680), (180, 1210438), (188, 1158930), (235, 927144), (237, 919320), (282, 772620), (316, 689490), (326, 668340), (360, 605219), (376, 579465), (395, 551592), (423, 515080), (470, 463572), (474, 459660), (489, 445560), (564, 386310), (632, 344745), (652, 334170), (705, 309048), (711, 306440), (790, 275796), (815, 267336), (846, 257540), (940, 231786), (948, 229830), (978, 222780), (1128, 193155), (1185, 183864), (1304, 167085), (1410, 154524), (1422, 153220), (1467, 148520), (1580, 137898), (1630, 133668), (1692, 128770), (1880, 115893), (1896, 114915), (1956, 111390), (2115, 103016), (2370, 91932), (2445, 89112), (2820, 77262), (2844, 76610), (2934, 74260), (3160, 68949), (3260, 66834), (3384, 64385), (3555, 61288), (3713, 58680), (3912, 55695), (4230, 51508), (4740, 45966), (4890, 44556), (5640, 38631), (5688, 38305), (5868, 37130), (6520, 33417), (7110, 30644), (7335, 29704), (7426, 29340), (7661, 28440), (8460, 25754), (9480, 22983), (9780, 22278), (11139, 19560), (11736, 18565), (12877, 16920), (14220, 15322), (14670, 14852)]